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