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