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