3 0 1 -1 - 1 2 0 - 3 4/77 - 274/7 18/11 12/77 12/11 - 18/77 4/11 274/11 12/77 274/77 18/77 - 4/11 274/77 4/7 - 12/11 18/77 X X X X N 4 = 12 4

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