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