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1 8 1 10
1 6 2 2
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9 0 7 4
2 3 1 2
3 9 0 11
12 5 5 3
3 7 11 7
9 4 1 3
1 1 1 7
9 12 3 6
5 11 6 10
3 4 2 6
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0 10 3 0
0 0 10 10
