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