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