Metallocene compound, process for producing metallocene compound, olefin polymerization catalyst, process for producing polyolefin, and polyolefin

[0001] The present invention relates to a metallocene compound having a specific structure, a process for preparing the metallocene compound, an olefin polymerization catalyst containing the metallocene compound, a process for preparing a polyolefin using the olefin polymerization catalyst, and a polyolefin.

[0002] The “metallocene compound” is well known as a homogeneous catalyst for olefin polymerization. Since the isotactic polymerization was reported by W. Kaminsky, et al. (Angew. Chem. Int. Ed. Engl., 24, 507 (1985)), there have been made many improvements in the olefin polymerization process using a metallocene compound, particularly a process for stereoregularly polymerizing an α-olefin. As an example of the improvement, a metallocene compound having a C2 symmetric structure wherein some hydrogen atoms of the cyclopentadienyl group in the ligand part are replaced with alkyl groups has been reported (by Yamazaki, et al., Chemistry Letters, 1853 (1989), Japanese Patent Laid-Open Publication No. 268307/1992). As like attempts, further, a large number of attempts to improve the isotactic stereoregularity of an olefin polymer by the use of a metallocene compound having, as a ligand, a bisindenyl derivative having a C2 symmetric structure have been reported (e.g., Angew. Chem. Int. Ed. Engl., 31, 1347 (1992), Organometallics, 13, 954 (1994)).

[0003] The metallocene compound of the C2 symmetric structure, however, is usually obtained as a mixture of a racemic modification and a mesoisomer, and only the racemic modification provides an isotactic polymer, while obtainable from the mesoisomer is only an atactic polymer, so that it is necessary to separate the racemic modification and the mesoisomer from each other in order to selectively obtain the isotactic polymer.

[0004] On the other hand, J. A. Ewen has found that an α-olefin is polymerized with syndiotactic stereoregularity by the use of a metallocene compound having a Cs symmetric structure wherein the cyclopentadienyl group and the fluorenyl group are bridged by dimethylmethylene (J. Am. Chem. Soc., 110, 6255 (1988)). To improve the metallocene compound, an attempt to introduce tert-butyl groups at the 2-position and the 7-position of the fluorenyl group and thereby further control the syndiotactic stereoregularity has been made (Japanese Patent Laid-Open Publication No. 69394/1992).

[0005] In addition, an attempt to synthesize an isotactic polymer by the use of a metallocene compound having a C1 symmetric structure that is different from the C2 symmetric and the Cs symmetric structures has been reported (see, for example, Japanese Patent Laid-Open Publications No. 193796/1991 and No. 122718/1994, EP 0881236).

[0006] The polymerization activities of these metallocene compounds, however, are still insufficient, and hence development of metallocene compounds having excellent polymerization activities and olefin polymerization catalysts containing such metallocene compounds has been desired.

[0007] The metallocene compounds having Cs and C1 symmetric structures have an advantage in that the structural isomers such as a mesoisomer and a racemic modification are not produced, differently from the metallocene compound having a C2 symmetric structure.

[0008] Of the above metallocene compounds, the metallocene compound of the C1 symmetric structure, however, has a problem in that an unnecessary isomer wherein the substituent group is attached at a position different from the intended proper position is produced depending upon the preparation process. When such an isomer is used as, for example, an olefin polymerization catalyst, unfavorable results such as production of an atactic polymer as a by-product are often brought about. Hence, development of a process for selectively preparing a metallocene compound in which such an unnecessary isomer is not included has been desired.

[0009] The metallocene compound according to the invention is represented by the following formula (1) or (2):
wherein R³ is selected from a hydrocarbon group and a silicon-containing hydrocarbon group; R¹, R², R⁴, R⁵, R⁶, R⁷, R⁸, R⁹, R¹⁰, R¹¹, R¹², R¹³ and R¹⁴ may be the same or different and are each selected from a hydrogen atom, a hydrocarbon group and a silicon-containing hydrocarbon group; of the groups indicated by R¹ to R¹², neighboring groups may be bonded to form a ring; in case of the formula (1), a group selected from R¹, R⁴, R⁵ and R¹² may be bonded to R¹³ or R¹⁴ to form a ring; A is a divalent hydrocarbon group of 2 to 20 carbon atoms which may contain an unsaturated bond and/or an aromatic ring; A may contain two or more cyclic structures including a ring formed by A in cooperation with Y; Y is a carbon atom or a silicon atom; M is a metal selected from Group 4 of the periodic table; j is an integer of 1 to 4; Q is selected from a halogen atom, a hydrocarbon group, an anionic ligand and a neutral ligand capable of coordination by a lone pair; and when j is 2 or greater, each Q may be the same or different.

[0010] Another embodiment of the metallocene compound of the invention is represented by the following formula (1a) or (2a):
wherein R³ is selected from a hydrocarbon group and a silicon-containing hydrocarbon group; R¹, R², R⁴, R⁵, R⁶, R⁷, R⁸, R⁹, R¹⁰, R¹¹, R¹², R¹³ and R¹⁴ may be the same or different and are each selected from a hydrogen atom, a hydrocarbon group and a silicon-containing hydrocarbon group; in case of a compound of the formula (1a), when R³ is a tert-butyl group or a trimethylsilyl group and when R¹³ and R¹⁴ are methyl groups or phenyl groups at the same time, R⁶ and R¹¹ are not hydrogen atoms at the same time; of the groups indicated by R¹ to R¹², neighboring groups may be bonded to form a ring; in case of the formula (1a), a group selected from R¹, R⁴, R⁵ and R¹² may be bonded to R¹³ or R¹⁴ to form a ring; A is a divalent hydrocarbon group of 2 to 20 carbon atoms which may contain an unsaturated bond and/or an aromatic ring; A may contain two or more cyclic structures including a ring formed by A in cooperation with Y; Y is a carbon atom or a silicon atom; M is a metal selected from Group 4 of the periodic table; j is an integer of 1 to 4; Q is selected from a halogen atom, a hydrocarbon group, an anionic ligand and a neutral ligand capable of coordination by a lone pair; and when j is 2 or greater, each Q may be the same or different.

[0011] A further embodiment of the metallocene compound of the invention is represented by the following formula (1b) or (2b):
wherein R²¹ and R²² may be the same or different and are each selected from a hydrocarbon group and a silicon-containing hydrocarbon group; R⁵, R⁶, R⁷, R⁸, R⁹, R¹⁰, R¹¹, R¹², R¹³ and R¹⁴ may be the same or different and are each selected from a hydrogen atom, a hydrocarbon group and a silicon-containing hydrocarbon group; of the groups indicated by R⁵ to R¹², neighboring groups may be bonded to form a ring; A is a divalent hydrocarbon group of 2 to 20 carbon atoms which may contain an unsaturated bond and/or an aromatic ring; A may contain two or more cyclic structures including a ring formed by A in cooperation with Y; M is a metal selected from Group 4 of the periodic table; Y is a carbon atom or a silicon atom; j is an integer of 1 to 4; Q is selected from a halogen atom, a hydrocarbon group, an anionic ligand and a neutral ligand capable of coordination by a lone pair; and when j is 2 or greater, each Q may be the same or different.

[0012] The process for preparing a metallocene compound according to the invention comprises selectively preparing a metallocene compound represented by the above formula (1b) or (2b) so as not to include an isomeric compound represented by the following formula (3b), (4b), (5b) or (6b):
wherein R²¹, R²², R⁵ to R¹⁴, A, M, Y, Q and j have the same meanings as those of R²¹, R²², R⁵ to R¹⁴, A, M, Y, Q and j in the formula (1b) or (2b), respectively.

[0013] In the present invention, it is preferable that a ligand precursor represented by the following formula (7b) or (8b) is selectively prepared so as not to include an isomeric compound represented by the following formula (9b), (10b), (11b) or (12b) and the resulting ligand precursor is used as a material to selectively prepare the metallocene compound represented by the formula (1b) or (2b);
wherein R²¹ R²², R⁵ to R¹⁴, A and Y have the same meanings as those of R²¹ R²², R⁵ to R¹⁴, A and Y in the formula (1b) or (2b), respectively; and the cyclopentadienyl group may be another isomer different in only the position of a double bond in the cyclopentadienyl ring or a mixture thereof;
wherein R²¹, R²², R⁵ to R¹⁴, A and Y have the same meanings as those of R²¹, R²², R⁵ to R¹⁴, A and Y in the formula (1b) or (2b), respectively; and the cyclopentadienyl group may be another isomer different in only the position of a double bond in the cyclopentadienyl ring or a mixture thereof.

[0014] In the present invention, further, it is preferable that a precursor compound represented by the following formula (13b) or (14b) is selectively prepared so as not to include an isomeric compound represented by the following formula (15b), (16b), (17b) or (18b) and the resulting precursor compound is used as a material to selectively prepare the ligand precursor represented by the formula (7b) or (8b);
wherein R²¹, R²², R¹³, R¹⁴, Y and A have the same meanings as those of R²¹, R²², R¹³, R¹⁴, Y and A in the formula (1b) or (2b), respectively;
wherein R²¹, R²², R¹³, R¹⁴, Y and A have the same meanings as those of R²¹, R²², R¹³, R¹⁴, Y and A in the formula (1b) or (2b), respectively.

[0015] In the present invention, furthermore, it is preferable that cyclopentadiene represented by the following formula (19b) is selectively prepared so as not to include an isomeric compound represented by the following formula (20b) and the resulting cyclopentadiene is used as a material to selectively prepare the precursor compound represented by the formula (13b) or (14b);
wherein R²¹ and R²² have the same meanings as those of R²¹ and R²² in the formula (1b) or (2b), respectively; and the cyclopentadienyl group may be another isomer different in only the position of a double bond in the cyclopentadienyl ring or a mixture thereof;
wherein R²¹ and R²² have the same meanings as those of R²¹ and R²² in the formula (1b) or (2b), respectively; and the cyclopentadienyl group may be another isomer different in only the position of a double bond in the cyclopentadienyl ring or a mixture thereof.

[0016] The olefin polymerization catalyst according to the invention comprises any one of the above-mentioned metallocene compounds.

[0017] The olefin polymerization catalyst of the invention may be an olefin polymerization catalyst comprising:

[0018] (A) any one of the above-mentioned metallocene compounds, and (B) at least one compound selected from:

• • [0019] (B-1) an organometallic compound,
  • [0020] (B-2) an organoaluminum oxy-compound, and
  • [0021] (B-3) a compound which reacts with the metallocene compound (A) to form an ion pair.

[0022] The olefin polymerization catalyst of the invention may be an olefin polymerization catalyst comprising the above-mentioned olefin polymerization catalyst and (C) a particle carrier.

[0023] The process for preparing a polyolefin according to the invention comprises polymerizing or copolymerizing an olefin in the presence of any one of the above-mentioned olefin polymerization catalysts.

[0024] In the present invention, it is preferable that the metallocene compound (A) is a metallocene compound represented by the formula (1) or (2) and at least 2 kinds of olefins are copolymerized. It is also preferable that the metallocene compound (A) is a metallocene compound represented by the formula (1a) or (2a) and a single olefin is polymerized.

[0025] The polyolefin according to the invention comprises recurring units (U₁) derived from one α-olefin selected from α-olefins of 3 to 8 carbon atoms in amounts of 50 to 100% by mol and recurring units (U₂) other than the recurring units (U₁), said recurring units (U₂) being derived from at least one olefin selected from α-olefins of 2 to 20 carbon atoms, in amounts of 50 to 0% by mol, and has the following properties:

• • [0026] (i) the proportion of 2,1-insertion and the proportion of 1,3-insertion are each not more than 0.2%,
  • [0027] (ii) the molecular weight distribution (Mw/Mn) as determined by gel permeation chromatography is in the range of 1 to 3, and
  • [0028] (iii) the quantity of a decane-soluble component is not more than 2% by weight.

[0029] The polyolefin preferably comprises recurring units derived from propylene in amounts of 50 to 99.5% by mol and recurring units derived from at least one olefin selected from α-olefins of 2 to 20 carbon atoms other than propylene in amounts of 50 to 0.5% by mol.

[0030] Another embodiment of the polyolefin of the invention is a homopolymer of one α-olefin selected from α-olefins of 3 to 8 carbon atoms and has the following properties:

• • [0031] (i) the pentad isotacticity as determined from ¹³C-NMR spectrum measurement is not less than 85%,
  • [0032] (ii) the proportion of 2,1-insertion and the proportion of 1,3-insertion are each not more than 0.2%,
  • [0033] (iii) the MFR is in the range of 0.01 to 1000 g/10 min,
  • [0034] (iv) the molecular weight distribution (Mw/Mn) as determined by gel permeation chromatography is in the range of 1 to 3,
  • [0035] (v) the quantity of a decane-soluble component is not more than 2% by weight, and
  • [0036] (vi) the melting point (Tm) as measured by a differential scanning calorimeter is not lower than 140° C.

[0037] The polyolefin is preferably a homopolymer of propylene.

[0038] A further embodiment of the polyolefin of the invention is a polyolefin comprising recurring units (U₁) derived from one α-olefin selected from α-olefins of 3 to 8 carbon atoms in amounts of 95 to 99.5% by mol and recurring units (U₂) other than the recurring units (U₁), said recurring units (U₂) being derived from at least one olefin selected from α-olefins of 2 to 20 carbon atoms, in amounts of 5 to 0.05% by mol, and has the following properties:

• • [0039] (i) the pentad isotacticity as determined from ¹³C-NMR spectrum measurement is not less than 80%,
  • [0040] (ii) the proportion of 2,1-insertion and the proportion of 1,3-insertion are each not more than 0.2%,
  • [0041] (iii) the MFR is in the range of 0.01 to 1000 g/10 min,
  • [0042] (iv) the molecular weight distribution (Mw/Mn) as determined by gel permeation chromatography is in the range of 1 to 3,
  • [0043] (v) the quantity of a decane-soluble component is not more than 2% by weight, and
  • [0044] (vi) the melting point (Tm) as measured by a differential scanning calorimeter is not higher than 145° C.

[0045] The polyolefin preferably comprises recurring units derived from propylene in amounts of 95 to 99.5% by mol and recurring units derived from at least one olefin selected from α-olefins of 2 to 20 carbon atoms other than propylene in amounts of 5 to 0.5% by mol.

[0047] The metallocene compound, the process for preparing the metallocene compound, the olefin polymerization catalyst, the process for preparing a polyolefin, and the polyolefin according to the invention are described in detail hereinafter.

[0048] Metallocene Compound

[0049] The metallocene compound according to the invention is represented by the following formula (1) or (2).

[0050] In the formula (1) or (2), R³ is selected from a hydrocarbon group and a silicon-containing hydrocarbon group.

[0051] The hydrocarbon group preferably is, for example, an alkyl group of 1 to 20 carbon atoms, an arylalkyl group of 7 to 20 carbon atoms, an aryl group of 6 to 20 carbon atoms or an alkylaryl group of 7 to 20 carbon atoms. R³ may be a cyclic hydrocarbon group containing a heteroatom (e.g., sulfur or oxygen), such as thienyl or furyl.

[0052] Specific examples of such groups include methyl, ethyl, n-propyl, isopropyl, 2-methylpropyl, 1,1-dimethylpropyl, 2,2-dimethylpropyl, 1,1-diethylpropyl, 1-ethyl-1-methylpropyl, 1,1,2,2-tetramethylpropyl, sec-butyl, tert-butyl, 1,1-dimethylbutyl, 1,1,3-trimethylbutyl, neopentyl, cyclohexylmethyl, cyclohexyl, 1-methyl-1-cyclohexyl, 1-adamantyl, 2-adamantyl, 2-methyl-2-adamantyl, menthyl, norbornyl, benzyl, 2-phenylethyl, 1-tetrahydronaphthyl, 1-methyl-1-tetrahydronaphthyl, phenyl, naphthyl and tolyl.

[0053] The silicon-containing hydrocarbon group is preferably an alkylsilyl or arylsilyl group having 1 to 4 silicon atoms and 3 to 20 carbon atoms.

[0054] Specific examples of such groups include trimethylsilyl, tert-butyldimethylsilyl and triphenylsilyl.

[0055] R³ is preferably a sterically bulky substituent group, more preferably a substituent group of 4 or more carbon atoms.

[0056] In the formula (1) or (2), R¹, R², R⁴, R⁵, R⁶, R⁷, R⁸, R⁹, R¹⁰, R¹¹, R¹², R¹³ and R¹⁴ may be the same or different and are each selected from a hydrogen atom, a hydrocarbon group and a silicon-containing hydrocarbon group. Preferred examples of the hydrocarbon groups and the silicon-containing hydrocarbon groups include the same ones as described above.

[0057] The neighboring substituent groups of R¹ to R⁴ on the cyclopentadienyl ring may be bonded to form a ring. Examples of such substituted cyclopentadienyl groups include indenyl, 2-methylindenyl, tetrahydroindenyl, 2-methyltetrahydroindenyl and 2,4,4-trimethyltetrahydroindenyl.

[0058] The neighboring substituent groups of R⁵ to R¹² on the fluorene ring may be bonded to form a ring. Examples of such substituted fluorenyl groups include benzofluorenyl, dibenzofluorenyl, octahydrodibenzofluorenyl and octamethyloctahydrodibenzofluorenyl.

[0059] The substituent groups of R⁵ to R¹² on the fluorene ring are preferred to be bilaterally symmetric from the viewpoint of ease of synthesis. That is, R⁵ and R¹², R⁶ and R¹¹, R⁷ and R¹⁰, and R⁸ and R⁹ are preferred to be the same groups, and unsubstituted fluorene, 3,6-di-substituted fluorene, 2,7-di-substituted fluorene or 2,3,6,7-tetra-substituted fluorene is more preferred. The 3-position, 6-position, 2-position and 7-position of the fluorene ring correspond to R⁷, R¹⁰, R⁶ and R¹¹, respectively.

[0060] In the formula (1) or (2), Y is a carbon atom or a silicon atom.

[0061] In the metallocene compound represented by the formula (1), R¹³ and R¹⁴ are bonded to Y and become a bridge part to form a substituted methylene group or a substituted silylene group. Preferred examples thereof include methylene, dimethylmethylene, diethylmethylene, diisopropylmethylene, methyl-tert-butylmethylene, di-tert-butylmethylene, dicyclohexylmethylene, methylcyclohexylmethylene, methylphenylmethylene, diphenylmethylene, methylnaphthylmethylene, dinaphthylmethylene, dimethylsilylene, diisopropylsilylene, methyl-tert-butylsilylene, dicyclohexylsilylene, methylcyclohexylsilylene, methylphenylsilylene, diphenylsilylene, methylnaphthylsilylene and dinaphthylsilylene.

[0062] In the metallocene compound represented by the formula (1), a substituent group selected from R¹, R⁴, R⁵ and R¹² may be bonded to R¹³ or R¹⁴ of the bridge part to form a ring. An example of such structure wherein R¹ and R¹⁴ are bonded to each other to form a ring is given below. In the metallocene compound represented by the following formula (Ic), the bridge part and the cyclopentadienyl group are united to form tetrahydropentalene skeleton, while in the metallocene compound represented by the following formula (1d), the bridge part and the cyclopentadienyl group are united to form tetrahydroindenyl skeleton. Likewise, the bridge part and the fluorenyl group may be bonded to form a ring.

[0063] In the metallocene compound represented by the formula (2), A is a divalent hydrocarbon group of 2 to 20 carbon atoms which may contain an unsaturated bond and/or an aromatic ring, and Y is bonded to A to form a cycloalkylidene group, a cyclomethylenesilylene group or the like.

[0064] A may contain two or more cyclic structures including a ring formed by A in cooperation with Y. Preferred examples thereof include cyclopropylidene, cyclobutylidene, cyclopentylidene, cyclohexylidene, cycloheptylidene, bicyclo[3,3,1]nonylidene, norbornylidene, adamantylidene, tetrahydronaphthylidene, dihydroindanylidene, cyclodimethylenesilylene, cyclotrimethylenesilylene, cyclotetramethylenesilylene, cyclopentamethylenesilylene, cyclohexamethylenesilylene and cycloheptamethylenesilylene.

[0065] In the formula (1) or (2), M is a metal selected from Group 4 of the periodic table and is specifically titanium, zirconium or hafnium.

[0066] In the formula (1) or (2), j is an integer of 1 to 4.

[0067] In the formula (1) or (2), Q is selected from a halogen atom, a hydrocarbon group of 1 to 20 carbon atoms, an anionic ligand and a neutral ligand capable of coordination by a lone pair. When j is 2 or greater, each Q may be the same or different.

[0068] Examples of the halogen atoms include fluorine, chlorine, bromine and iodine. Examples of the hydrocarbon groups include the same ones as previously described.

[0069] Examples of the anionic ligands include alkoxy groups, such as methoxy, tert-butoxy and phenoxy; carboxylate groups, such as acetate and benzoate; and sulfonate groups, such as mesylate and tosylate.

[0070] Examples of the neutral ligands capable of coordination by a lone pair include organophosphorus compounds, such as trimethylphosphine, triethylphosphine, triphenylphosphine and diphenylmethylphosphine; and ethers, such as tetrahydrofuran, diethyl ether, dioxane and 1,2-dimethoxyethane.

[0071] At least one of Q is preferably a halogen atom or an alkyl group.

[0072] Examples of the metallocene compounds represented by the formula (1) or (2) according to the invention are given below.

[0073] The ligand structure excluding MQj (metal part) in the metallocene compound is divided into three parts of Cp (cyclopentadienyl ring part), Bridge (bridge part) and Flu (fluorenyl ring part), and specific examples of these partial structures and specific examples of ligand structures formed by combination of these partial structures are described first.

[0074]

[0075]

[0076]

[0077] Examples of the ligand structures are described in the following table.

[0078]

No.	Cp	Bridge	Flu
1	a 1	b 1	c 1
2	a 2	b 1	c 1
3	a 3	b 1	c 1
4	a 4	b 1	c 1
5	a 5	b 1	c 1
6	a 6	b 1	c 1
7	a 7	b 1	c 1
8	a 8	b 1	c 1
9	a 9	b 1	c 1
10	a 10	b 1	c 1
11	a 11	b 1	c 1
12	a 12	b 1	c 1
13	a 13	b 1	c 1
14	a 14	b 1	c 1
15	a 15	b 1	c 1
16	a 16	b 1	c 1
17	a 17	b 1	c 1
18	a 18	b 1	c 1
19	a 19	b 1	c 1
20	a 20	b 1	c 1
21	a 21	b 1	c 1
22	a 22	b 1	c 1
23	a 23	b 1	c 1
24	a 24	b 1	c 1
25	a 25	b 1	c 1
26	a 1	b 2	c 1
27	a 2	b 2	c 1
28	a 3	b 2	c 1
29	a 4	b 2	c 1
30	a 5	b 2	c 1
31	a 6	b 2	c 1
32	a 7	b 2	c 1
33	a 8	b 2	c 1
34	a 9	b 2	c 1
35	a 10	b 2	c 1
36	a 11	b 2	c 1
37	a 12	b 2	c 1
38	a 13	b 2	c 1
39	a 14	b 2	c 1
40	a 15	b 2	c 1
41	a 16	b 2	c 1
42	a 17	b 2	c 1
43	a 18	b 2	c 1
44	a 19	b 2	c 1
45	a 20	b 2	c 1
46	a 21	b 2	c 1
47	a 22	b 2	c 1
48	a 23	b 2	c 1
49	a 24	b 2	c 1
50	a 25	b 2	c 1
51	a 1	b 3	c 1
52	a 2	b 3	c 1
53	a 3	b 3	c 1
54	a 4	b 3	c 1
55	a 5	b 3	c 1
56	a 6	b 3	c 1
57	a 7	b 3	c 1
58	a 8	b 3	c 1
59	a 9	b 3	c 1
60	a 10	b 3	c 1
61	a 11	b 3	c 1
62	a 12	b 3	c 1
63	a 13	b 3	c 1
64	a 14	b 3	c 1
65	a 15	b 3	c 1
66	a 16	b 3	c 1
67	a 17	b 3	c 1
68	a 18	b 3	c 1
69	a 19	b 3	c 1
70	a 20	b 3	c 1
71	a 21	b 3	c 1
72	a 22	b 3	c 1
73	a 23	b 3	c 1
74	a 24	b 3	c 1
75	a 25	b 3	c 1
76	a 1	b 4	c 1
77	a 2	b 4	c 1
78	a 3	b 4	c 1
79	a 4	b 4	c 1
80	a 5	b 4	c 1
81	a 6	b 4	c 1
82	a 7	b 4	c 1
83	a 8	b 4	c 1
84	a 9	b 4	c 1
85	a 10	b 4	c 1
86	a 11	b 4	c 1
87	a 12	b 4	c 1
88	a 13	b 4	c 1
89	a 14	b 4	c 1
90	a 15	b 4	c 1
91	a 16	b 4	c 1
92	a 17	b 4	c 1
93	a 18	b 4	c 1
94	a 19	b 4	c 1
95	a 20	b 4	c 1
96	a 21	b 4	c 1
97	a 22	b 4	c 1
98	a 23	b 4	c 1
99	a 24	b 4	c 1
100	a 25	b 4	c 1
101	a 1	b 5	c 1
102	a 2	b 5	c 1
103	a 3	b 5	c 1
104	a 4	b 5	c 1
105	a 5	b 5	c 1
106	a 6	b 5	c 1
107	a 7	b 5	c 1
108	a 8	b 5	c 1
109	a 9	b 5	c 1
110	a 10	b 5	c 1
111	a 11	b 5	c 1
112	a 12	b 5	c 1
113	a 13	b 5	c 1
114	a 14	b 5	c 1
115	a 15	b 5	c 1
116	a 16	b 5	c 1
117	a 17	b 5	c 1
118	a 18	b 5	c 1
119	a 19	b 5	c 1
120	a 20	b 5	c 1
121	a 21	b 5	c 1
122	a 22	b 5	c 1
123	a 23	b 5	c 1
124	a 24	b 5	c 1
125	a 25	b 5	c 1
126	a 1	b 6	c 1
127	a 2	b 6	c 1
128	a 3	b 6	c 1
129	a 4	b 6	c 1
130	a 5	b 6	c 1
131	a 6	b 6	c 1
132	a 7	b 6	c 1
133	a 8	b 6	c 1
134	a 9	b 6	c 1
135	a 10	b 6	c 1
136	a 11	b 6	c 1
137	a 12	b 6	c 1
138	a 13	b 6	c 1
139	a 14	b 6	c 1
140	a 15	b 6	c 1
141	a 16	b 6	c 1
142	a 17	b 6	c 1
143	a 18	b 6	c 1
144	a 19	b 6	c 1
145	a 20	b 6	c 1
146	a 21	b 6	c 1
147	a 22	b 6	c 1
148	a 23	b 6	c 1
149	a 24	b 6	c 1
150	a 25	b 6	c 1
151	a 1	b 7	c 1
152	a 2	b 7	c 1
153	a 3	b 7	c 1
154	a 4	b 7	c 1
155	a 5	b 7	c 1
156	a 6	b 7	c 1
157	a 7	b 7	c 1
158	a 8	b 7	c 1
159	a 9	b 7	c 1
160	a 10	b 7	c 1
161	a 11	b 7	c 1
162	a 12	b 7	c 1
163	a 13	b 7	c 1
164	a 14	b 7	c 1
165	a 15	b 7	c 1
166	a 16	b 7	c 1
167	a 17	b 7	c 1
168	a 18	b 7	c 1
169	a 19	b 7	c 1
170	a 20	b 7	c 1
171	a 21	b 7	c 1
172	a 22	b 7	c 1
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1020	a 20	b 11	c 3
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1024	a 24	b 11	c 3
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1080	a 5	b 14	c 3
1081	a 6	b 14	c 3
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1100	a 25	b 14	c 3
1101	a 1	b 15	c 3
1102	a 2	b 15	c 3
1103	a 3	b 15	c 3
1104	a 4	b 15	c 3
1105	a 5	b 15	c 3
1106	a 6	b 15	c 3
1107	a 7	b 15	c 3
1108	a 8	b 15	c 3
1109	a 9	b 15	c 3
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1111	a 11	b 15	c 3
1112	a 12	b 15	c 3
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1122	a 22	b 15	c 3
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1124	a 24	b 15	c 3
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1127	a 2	b 1	c 4
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1129	a 4	b 1	c 4
1130	a 5	b 1	c 4
1131	a 6	b 1	c 4
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1193	a 18	b 3	c 4
1194	a 19	b 3	c 4
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1196	a 21	b 3	c 4
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1200	a 25	b 3	c 4
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1405	a 5	b 12	c 4
1406	a 6	b 12	c 4
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1471	a 21	b 14	c 4
1472	a 22	b 14	c 4
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1475	a 25	b 14	c 4
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1480	a 5	b 15	c 4
1481	a 6	b 15	c 4
1482	a 7	b 15	c 4
1483	a 8	b 15	c 4
1484	a 9	b 15	c 4
1485	a 10	b 15	c 4
1486	a 11	b 15	c 4
1487	a 12	b 15	c 4
1488	a 13	b 15	c 4
1489	a 14	b 15	c 4
1490	a 15	b 15	c 4
1491	a 16	b 15	c 4
1492	a 17	b 15	c 4
1493	a 18	b 15	c 4
1494	a 19	b 15	c 4
1495	a 20	b 15	c 4
1496	a 21	b 15	c 4
1497	a 22	b 15	c 4
1498	a 23	b 15	c 4
1499	a 24	b 15	c 4
1500	a 25	b 15	c 4
1501	a 1	b 1	c 5
1502	a 2	b 1	c 5
1503	a 3	b 1	c 5
1504	a 4	b 1	c 5
1505	a 5	b 1	c 5
1506	a 6	b 1	c 5
1507	a 7	b 1	c 5
1508	a 8	b 1	c 5
1509	a 9	b 1	c 5
1510	a 10	b 1	c 5
1511	a 11	b 1	c 5
1512	a 12	b 1	c 5
1513	a 13	b 1	c 5
1514	a 14	b 1	c 5
1515	a 15	b 1	c 5
1516	a 16	b 1	c 5
1517	a 17	b 1	c 5
1518	a 18	b 1	c 5
1519	a 19	b 1	c 5
1520	a 20	b 1	c 5
1521	a 21	b 1	c 5
1522	a 22	b 1	c 5
1523	a 23	b 1	c 5
1524	a 24	b 1	c 5
1525	a 25	b 1	c 5
1526	a 1	b 2	c 5
1527	a 2	b 2	c 5
1528	a 3	b 2	c 5
1529	a 4	b 2	c 5
1530	a 5	b 2	c 5
1531	a 6	b 2	c 5
1532	a 7	b 2	c 5
1533	a 8	b 2	c 5
1534	a 9	b 2	c 5
1535	a 10	b 2	c 5
1536	a 11	b 2	c 5
1537	a 12	b 2	c 5
1538	a 13	b 2	c 5
1539	a 14	b 2	c 5
1540	a 15	b 2	c 5
1541	a 16	b 2	c 5
1542	a 17	b 2	c 5
1543	a 18	b 2	c 5
1544	a 19	b 2	c 5
1545	a 20	b 2	c 5
1546	a 21	b 2	c 5
1547	a 22	b 2	c 5
1548	a 23	b 2	c 5
1549	a 24	b 2	c 5
1550	a 25	b 2	c 5
1551	a 1	b 3	c 5
1552	a 2	b 3	c 5
1553	a 3	b 3	c 5
1554	a 4	b 3	c 5
1555	a 5	b 3	c 5
1556	a 6	b 3	c 5
1557	a 7	b 3	c 5
1558	a 8	b 3	c 5
1559	a 9	b 3	c 5
1560	a 10	b 3	c 5
1561	a 11	b 3	c 5
1562	a 12	b 3	c 5
1563	a 13	b 3	c 5
1564	a 14	b 3	c 5
1565	a 15	b 3	c 5
1566	a 16	b 3	c 5
1567	a 17	b 3	c 5
1568	a 18	b 3	c 5
1569	a 19	b 3	c 5
1570	a 20	b 3	c 5
1571	a 21	b 3	c 5
1572	a 22	b 3	c 5
1573	a 23	b 3	c 5
1574	a 24	b 3	c 5
1575	a 25	b 3	c 5
1576	a 1	b 4	c 5
1577	a 2	b 4	c 5
1578	a 3	b 4	c 5
1579	a 4	b 4	c 5
1580	a 5	b 4	c 5
1581	a 6	b 4	c 5
1582	a 7	b 4	c 5
1583	a 8	b 4	c 5
1584	a 9	b 4	c 5
1585	a 10	b 4	c 5
1586	a 11	b 4	c 5
1587	a 12	b 4	c 5
1588	a 13	b 4	c 5
1589	a 14	b 4	c 5
1590	a 15	b 4	c 5
1591	a 16	b 4	c 5
1592	a 17	b 4	c 5
1593	a 18	b 4	c 5
1594	a 19	b 4	c 5
1595	a 20	b 4	c 5
1596	a 21	b 4	c 5
1597	a 22	b 4	c 5
1598	a 23	b 4	c 5
1599	a 24	b 4	c 5
1600	a 25	b 4	c 5
1601	a 1	b 5	c 5
1602	a 2	b 5	c 5
1603	a 3	b 5	c 5
1604	a 4	b 5	c 5
1605	a 5	b 5	c 5
1606	a 6	b 5	c 5
1607	a 7	b 5	c 5
1608	a 8	b 5	c 5
1609	a 9	b 5	c 5
1610	a 10	b 5	c 5
1611	a 11	b 5	c 5
1612	a 12	b 5	c 5
1613	a 13	b 5	c 5
1614	a 14	b 5	c 5
1615	a 15	b 5	c 5
1616	a 16	b 5	c 5
1617	a 17	b 5	c 5
1618	a 18	b 5	c 5
1619	a 19	b 5	c 5
1620	a 20	b 5	c 5
1621	a 21	b 5	c 5
1622	a 22	b 5	c 5
1623	a 23	b 5	c 5
1624	a 24	b 5	c 5
1625	a 25	b 5	c 5
1626	a 1	b 6	c 5
1627	a 2	b 6	c 5
1628	a 3	b 6	c 5
1629	a 4	b 6	c 5
1630	a 5	b 6	c 5
1631	a 6	b 6	c 5
1632	a 7	b 6	c 5
1633	a 8	b 6	c 5
1634	a 9	b 6	c 5
1635	a 10	b 6	c 5
1636	a 11	b 6	c 5
1637	a 12	b 6	c 5
1638	a 13	b 6	c 5
1639	a 14	b 6	c 5
1640	a 15	b 6	c 5
1641	a 16	b 6	c 5
1642	a 17	b 6	c 5
1643	a 18	b 6	c 5
1644	a 19	b 6	c 5
1645	a 20	b 6	c 5
1646	a 21	b 6	c 5
1647	a 22	b 6	c 5
1648	a 23	b 6	c 5
1649	a 24	b 6	c 5
1650	a 25	b 6	c 5
1651	a 1	b 7	c 5
1652	a 2	b 7	c 5
1653	a 3	b 7	c 5
1654	a 4	b 7	c 5
1655	a 5	b 7	c 5
1656	a 6	b 7	c 5
1657	a 7	b 7	c 5
1658	a 8	b 7	c 5
1659	a 9	b 7	c 5
1660	a 10	b 7	c 5
1661	a 11	b 7	c 5
1662	a 12	b 7	c 5
1663	a 13	b 7	c 5
1664	a 14	b 7	c 5
1665	a 15	b 7	c 5
1666	a 16	b 7	c 5
1667	a 17	b 7	c 5
1668	a 18	b 7	c 5
1669	a 19	b 7	c 5
1670	a 20	b 7	c 5
1671	a 21	b 7	c 5
1672	a 22	b 7	c 5
1673	a 23	b 7	c 5
1674	a 24	b 7	c 5
1675	a 25	b 7	c 5
1676	a 1	b 8	c 5
1677	a 2	b 8	c 5
1678	a 3	b 8	c 5
1679	a 4	b 8	c 5
1680	a 5	b 8	c 5
1681	a 6	b 8	c 5
1682	a 7	b 8	c 5
1683	a 8	b 8	c 5
1684	a 9	b 8	c 5
1685	a 10	b 8	c 5
1686	a 11	b 8	c 5
1687	a 12	b 8	c 5
1688	a 13	b 8	c 5
1689	a 14	b 8	c 5
1690	a 15	b 8	c 5
1691	a 16	b 8	c 5
1692	a 17	b 8	c 5
1693	a 18	b 8	c 5
1694	a 19	b 8	c 5
1695	a 20	b 8	c 5
1696	a 21	b 8	c 5
1697	a 22	b 8	c 5
1698	a 23	b 8	c 5
1699	a 24	b 8	c 5
1700	a 25	b 8	c 5
1701	a 1	b 9	c 5
1702	a 2	b 9	c 5
1703	a 3	b 9	c 5
1704	a 4	b 9	c 5
1705	a 5	b 9	c 5
1706	a 6	b 9	c 5
1707	a 7	b 9	c 5
1708	a 8	b 9	c 5
1709	a 9	b 9	c 5
1710	a 10	b 9	c 5
1711	a 11	b 9	c 5
1712	a 12	b 9	c 5
1713	a 13	b 9	c 5
1714	a 14	b 9	c 5
1715	a 15	b 9	c 5
1716	a 16	b 9	c 5
1717	a 17	b 9	c 5
1718	a 18	b 9	c 5
1719	a 19	b 9	c 5
1720	a 20	b 9	c 5
1721	a 21	b 9	c 5
1722	a 22	b 9	c 5
1723	a 23	b 9	c 5
1724	a 24	b 9	c 5
1725	a 25	b 9	c 5
1726	a 1	b 10	c 5
1727	a 2	b 10	c 5
1728	a 3	b 10	c 5
1729	a 4	b 10	c 5
1730	a 5	b 10	c 5
1731	a 6	b 10	c 5
1732	a 7	b 10	c 5
1733	a 8	b 10	c 5
1734	a 9	b 10	c 5
1735	a 10	b 10	c 5
1736	a 11	b 10	c 5
1737	a 12	b 10	c 5
1738	a 13	b 10	c 5
1739	a 14	b 10	c 5
1740	a 15	b 10	c 5
1741	a 16	b 10	c 5
1742	a 17	b 10	c 5
1743	a 18	b 10	c 5
1744	a 19	b 10	c 5
1745	a 20	b 10	c 5
1746	a 21	b 10	c 5
1747	a 22	b 10	c 5
1748	a 23	b 10	c 5
1749	a 24	b 10	c 5
1750	a 25	b 10	c 5
1751	a 1	b 11	c 5
1752	a 2	b 11	c 5
1753	a 3	b 11	c 5
1754	a 4	b 11	c 5
1755	a 5	b 11	c 5
1756	a 6	b 11	c 5
1757	a 7	b 11	c 5
1758	a 8	b 11	c 5
1759	a 9	b 11	c 5
1760	a 10	b 11	c 5
1761	a 11	b 11	c 5
1762	a 12	b 11	c 5
1763	a 13	b 11	c 5
1764	a 14	b 11	c 5
1765	a 15	b 11	c 5
1766	a 16	b 11	c 5
1767	a 17	b 11	c 5
1768	a 18	b 11	c 5
1769	a 19	b 11	c 5
1770	a 20	b 11	c 5
1771	a 21	b 11	c 5
1772	a 22	b 11	c 5
1773	a 23	b 11	c 5
1774	a 24	b 11	c 5
1775	a 25	b 11	c 5
1776	a 1	b 12	c 5
1777	a 2	b 12	c 5
1778	a 3	b 12	c 5
1779	a 4	b 12	c 5
1780	a 5	b 12	c 5
1781	a 6	b 12	c 5
1782	a 7	b 12	c 5
1783	a 8	b 12	c 5
1784	a 9	b 12	c 5
1785	a 10	b 12	c 5
1786	a 11	b 12	c 5
1787	a 12	b 12	c 5
1788	a 13	b 12	c 5
1789	a 14	b 12	c 5
1790	a 15	b 12	c 5
1791	a 16	b 12	c 5
1792	a 17	b 12	c 5
1793	a 18	b 12	c 5
1794	a 19	b 12	c 5
1795	a 20	b 12	c 5
1796	a 21	b 12	c 5
1797	a 22	b 12	c 5
1798	a 23	b 12	c 5
1799	a 24	b 12	c 5
1800	a 25	b 12	c 5
1801	a 1	b 13	c 5
1802	a 2	b 13	c 5
1803	a 3	b 13	c 5
1804	a 4	b 13	c 5
1805	a 5	b 13	c 5
1806	a 6	b 13	c 5
1807	a 7	b 13	c 5
1808	a 8	b 13	c 5
1809	a 9	b 13	c 5
1810	a 10	b 13	c 5
1811	a 11	b 13	c 5
1812	a 12	b 13	c 5
1813	a 13	b 13	c 5
1814	a 14	b 13	c 5
1815	a 15	b 13	c 5
1816	a 16	b 13	c 5
1817	a 17	b 13	c 5
1818	a 18	b 13	c 5
1819	a 19	b 13	c 5
1820	a 20	b 13	c 5
1821	a 21	b 13	c 5
1822	a 22	b 13	c 5
1823	a 23	b 13	c 5
1824	a 24	b 13	c 5
1825	a 25	b 13	c 5
1826	a 1	b 14	c 5
1827	a 2	b 14	c 5
1828	a 3	b 14	c 5
1829	a 4	b 14	c 5
1830	a 5	b 14	c 5
1831	a 6	b 14	c 5
1832	a 7	b 14	c 5
1833	a 8	b 14	c 5
1834	a 9	b 14	c 5
1835	a 10	b 14	c 5
1836	a 11	b 14	c 5
1837	a 12	b 14	c 5
1838	a 13	b 14	c 5
1839	a 14	b 14	c 5
1840	a 15	b 14	c 5
1841	a 16	b 14	c 5
1842	a 17	b 14	c 5
1843	a 18	b 14	c 5
1844	a 19	b 14	c 5
1845	a 20	b 14	c 5
1846	a 21	b 14	c 5
1847	a 22	b 14	c 5
1848	a 23	b 14	c 5
1849	a 24	b 14	c 5
1850	a 25	b 14	c 5
1851	a 1	b 15	c 5
1852	a 2	b 15	c 5
1853	a 3	b 15	c 5
1854	a 4	b 15	c 5
1855	a 5	b 15	c 5
1856	a 6	b 15	c 5
1857	a 7	b 15	c 5
1858	a 8	b 15	c 5
1859	a 9	b 15	c 5
1860	a 10	b 15	c 5
1861	a 11	b 15	c 5
1862	a 12	b 15	c 5
1863	a 13	b 15	c 5
1864	a 14	b 15	c 5
1865	a 15	b 15	c 5
1866	a 16	b 15	c 5
1867	a 17	b 15	c 5
1868	a 18	b 15	c 5
1869	a 19	b 15	c 5
1870	a 20	b 15	c 5
1871	a 21	b 15	c 5
1872	a 22	b 15	c 5
1873	a 23	b 15	c 5
1874	a 24	b 15	c 5
1875	a 25	b 15	c 5
1876	a 1	b 1	c 6
1877	a 2	b 1	c 6
1878	a 3	b 1	c 6
1879	a 4	b 1	c 6
1880	a 5	b 1	c 6
1881	a 6	b 1	c 6
1882	a 7	b 1	c 6
1883	a 8	b 1	c 6
1884	a 9	b 1	c 6
1885	a 10	b 1	c 6
1886	a 11	b 1	c 6
1887	a 12	b 1	c 6
1888	a 13	b 1	c 6
1889	a 14	b 1	c 6
1890	a 15	b 1	c 6
1891	a 16	b 1	c 6
1892	a 17	b 1	c 6
1893	a 18	b 1	c 6
1894	a 19	b 1	c 6
1895	a 20	b 1	c 6
1896	a 21	b 1	c 6
1897	a 22	b 1	c 6
1898	a 23	b 1	c 6
1899	a 24	b 1	c 6
1900	a 25	b 1	c 6
1901	a 1	b 2	c 6
1902	a 2	b 2	c 6
1903	a 3	b 2	c 6
1904	a 4	b 2	c 6
1905	a 5	b 2	c 6
1906	a 6	b 2	c 6
1907	a 7	b 2	c 6
1908	a 8	b 2	c 6
1909	a 9	b 2	c 6
1910	a 10	b 2	c 6
1911	a 11	b 2	c 6
1912	a 12	b 2	c 6
1913	a 13	b 2	c 6
1914	a 14	b 2	c 6
1915	a 15	b 2	c 6
1916	a 16	b 2	c 6
1917	a 17	b 2	c 6
1918	a 18	b 2	c 6
1919	a 19	b 2	c 6
1920	a 20	b 2	c 6
1921	a 21	b 2	c 6
1922	a 22	b 2	c 6
1923	a 23	b 2	c 6
1924	a 24	b 2	c 6
1925	a 25	b 2	c 6
1926	a 1	b 3	c 6
1927	a 2	b 3	c 6
1928	a 3	b 3	c 6
1929	a 4	b 3	c 6
1930	a 5	b 3	c 6
1931	a 6	b 3	c 6
1932	a 7	b 3	c 6
1933	a 8	b 3	c 6
1934	a 9	b 3	c 6
1935	a 10	b 3	c 6
1936	a 11	b 3	c 6
1937	a 12	b 3	c 6
1938	a 13	b 3	c 6
1939	a 14	b 3	c 6
1940	a 15	b 3	c 6
1941	a 16	b 3	c 6
1942	a 17	b 3	c 6
1943	a 18	b 3	c 6
1944	a 19	b 3	c 6
1945	a 20	b 3	c 6
1946	a 21	b 3	c 6
1947	a 22	b 3	c 6
1948	a 23	b 3	c 6
1949	a 24	b 3	c 6
1950	a 25	b 3	c 6
1951	a 1	b 4	c 6
1952	a 2	b 4	c 6
1953	a 3	b 4	c 6
1954	a 4	b 4	c 6
1955	a 5	b 4	c 6
1956	a 6	b 4	c 6
1957	a 7	b 4	c 6
1958	a 8	b 4	c 6
1959	a 9	b 4	c 6
1960	a 10	b 4	c 6
1961	a 11	b 4	c 6
1962	a 12	b 4	c 6
1963	a 13	b 4	c 6
1964	a 14	b 4	c 6
1965	a 15	b 4	c 6
1966	a 16	b 4	c 6
1967	a 17	b 4	c 6
1968	a 18	b 4	c 6
1969	a 19	b 4	c 6
1970	a 20	b 4	c 6
1971	a 21	b 4	c 6
1972	a 22	b 4	c 6
1973	a 23	b 4	c 6
1974	a 24	b 4	c 6
1975	a 25	b 4	c 6
1976	a 1	b 5	c 6
1977	a 2	b 5	c 6
1978	a 3	b 5	c 6
1979	a 4	b 5	c 6
1980	a 5	b 5	c 6
1981	a 6	b 5	c 6
1982	a 7	b 5	c 6
1983	a 8	b 5	c 6
1984	a 9	b 5	c 6
1985	a 10	b 5	c 6
1986	a 11	b 5	c 6
1987	a 12	b 5	c 6
1988	a 13	b 5	c 6
1989	a 14	b 5	c 6
1990	a 15	b 5	c 6
1991	a 16	b 5	c 6
1992	a 17	b 5	c 6
1993	a 18	b 5	c 6
1994	a 19	b 5	c 6
1995	a 20	b 5	c 6
1996	a 21	b 5	c 6
1997	a 22	b 5	c 6
1998	a 23	b 5	c 6
1999	a 24	b 5	c 6
2000	a 25	b 5	c 6
2001	a 1	b 6	c 6
2002	a 2	b 6	c 6
2003	a 3	b 6	c 6
2004	a 4	b 6	c 6
2005	a 5	b 6	c 6
2006	a 6	b 6	c 6
2007	a 7	b 6	c 6
2008	a 8	b 6	c 6
2009	a 9	b 6	c 6
2010	a 10	b 6	c 6
2011	a 11	b 6	c 6
2012	a 12	b 6	c 6
2013	a 13	b 6	c 6
2014	a 14	b 6	c 6
2015	a 15	b 6	c 6
2016	a 16	b 6	c 6
2017	a 17	b 6	c 6
2018	a 18	b 6	c 6
2019	a 19	b 6	c 6
2020	a 20	b 6	c 6
2021	a 21	b 6	c 6
2022	a 22	b 6	c 6
2023	a 23	b 6	c 6
2024	a 24	b 6	c 6
2025	a 25	b 6	c 6
2026	a 1	b 7	c 6
2027	a 2	b 7	c 6
2028	a 3	b 7	c 6
2029	a 4	b 7	c 6
2030	a 5	b 7	c 6
2031	a 6	b 7	c 6
2032	a 7	b 7	c 6
2033	a 8	b 7	c 6
2034	a 9	b 7	c 6
2035	a 10	b 7	c 6
2036	a 11	b 7	c 6
2037	a 12	b 7	c 6
2038	a 13	b 7	c 6
2039	a 14	b 7	c 6
2040	a 15	b 7	c 6
2041	a 16	b 7	c 6
2042	a 17	b 7	c 6
2043	a 18	b 7	c 6
2044	a 19	b 7	c 6
2045	a 20	b 7	c 6
2046	a 21	b 7	c 6
2047	a 22	b 7	c 6
2048	a 23	b 7	c 6
2049	a 24	b 7	c 6
2050	a 25	b 7	c 6
2051	a 1	b 8	c 6
2052	a 2	b 8	c 6
2053	a 3	b 8	c 6
2054	a 4	b 8	c 6
2055	a 5	b 8	c 6
2056	a 6	b 8	c 6
2057	a 7	b 8	c 6
2058	a 8	b 8	c 6
2059	a 9	b 8	c 6
2060	a 10	b 8	c 6
2061	a 11	b 8	c 6
2062	a 12	b 8	c 6
2063	a 13	b 8	c 6
2064	a 14	b 8	c 6
2065	a 15	b 8	c 6
2066	a 16	b 8	c 6
2067	a 17	b 8	c 6
2068	a 18	b 8	c 6
2069	a 19	b 8	c 6
2070	a 20	b 8	c 6
2071	a 21	b 8	c 6
2072	a 22	b 8	c 6
2073	a 23	b 8	c 6
2074	a 24	b 8	c 6
2075	a 25	b 8	c 6
2076	a 1	b 9	c 6
2077	a 2	b 9	c 6
2078	a 3	b 9	c 6
2079	a 4	b 9	c 6
2080	a 5	b 9	c 6
2081	a 6	b 9	c 6
2082	a 7	b 9	c 6
2083	a 8	b 9	c 6
2084	a 9	b 9	c 6
2085	a 10	b 9	c 6
2086	a 11	b 9	c 6
2087	a 12	b 9	c 6
2088	a 13	b 9	c 6
2089	a 14	b 9	c 6
2090	a 15	b 9	c 6
2091	a 16	b 9	c 6
2092	a 17	b 9	c 6
2093	a 18	b 9	c 6
2094	a 19	b 9	c 6
2095	a 20	b 9	c 6
2096	a 21	b 9	c 6
2097	a 22	b 9	c 6
2098	a 23	b 9	c 6
2099	a 24	b 9	c 6
2100	a 25	b 9	c 6
2101	a 1	b 10	c 6
2102	a 2	b 10	c 6
2103	a 3	b 10	c 6
2104	a 4	b 10	c 6
2105	a 5	b 10	c 6
2106	a 6	b 10	c 6
2107	a 7	b 10	c 6
2108	a 8	b 10	c 6
2109	a 9	b 10	c 6
2110	a 10	b 10	c 6
2111	a 11	b 10	c 6
2112	a 12	b 10	c 6
2113	a 13	b 10	c 6
2114	a 14	b 10	c 6
2115	a 15	b 10	c 6
2116	a 16	b 10	c 6
2117	a 17	b 10	c 6
2118	a 18	b 10	c 6
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2603	a 3	b 15	c 7
2604	a 4	b 15	c 7
2605	a 5	b 15	c 7
2606	a 6	b 15	c 7
2607	a 7	b 15	c 7
2608	a 8	b 15	c 7
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