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