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