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