20
19 16 18 11 13 17 12 15 14 20 
19 18 13 11 17 20 14 16 12 15 
16 12 14 11 15 18 19 20 17 13 
20 15 11 16 14 17 19 13 18 12 
15 14 13 11 19 20 16 17 18 12 
20 15 12 18 19 13 17 14 16 11 
15 18 16 12 20 14 11 17 19 13 
15 13 18 11 20 19 12 17 14 16 
20 13 14 16 19 12 18 17 11 15 
13 14 17 15 12 11 16 20 19 18 
9 5 1 7 2 10 3 4 6 8 
9 6 1 8 3 7 10 2 5 4 
3 9 10 1 7 4 5 6 2 8 
3 7 2 5 6 10 4 1 8 9 
6 7 5 9 10 3 2 1 4 8 
2 5 1 8 4 6 9 10 3 7 
9 7 2 3 4 1 10 6 8 5 
9 2 7 5 6 3 8 10 1 4 
4 6 5 8 2 1 3 9 7 10 
9 3 7 5 6 10 4 8 2 1 
forbidden 1 12
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forbidden 1 15
forbidden 1 18
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forbidden 2 20
forbidden 3 11
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forbidden 4 11
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forbidden 7 12
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