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