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