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