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