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