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