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