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