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