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