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