cp/codeforces/1017/f.out

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171 B
Text

2 1
1 2
1 2 3 4
5 6 1 2
3 4 5 6
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
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2 3 1 2 3 1
1 2 3 1 2 3
2 3 1 2 3 1
1 2 3 1 2 3
[code]: 0