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