20
13 18 12 14 17 15 11 20 16 19 
13 17 18 16 12 14 20 19 11 15 
17 12 18 20 15 19 14 11 16 13 
11 16 13 17 18 20 19 12 14 15 
19 14 15 11 13 20 18 16 17 12 
19 11 14 17 16 20 15 18 13 12 
16 14 12 11 15 17 19 18 20 13 
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15 12 20 14 18 19 11 13 17 16 
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