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