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