4 4
1 -1 0 8
1 1 0 -1
1 0 -1 128
1 0 1 -1
-1
24 14
1 0 1 2 4 8 16 32 64 128 256 0 3 574
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1 0 0 0 0 0 0 0 0 -1 0 0 0 -1
1 0 0 0 0 0 0 0 0 0 1 0 0 2
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Urs_unknowns