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