124x1 + 245x2 + 35x3 + 24x4 = 24 3561 + 24x2 + 35x3 + 75x4 = 2 24x1 + 56x2 + 35x3 + 67x4 = 47 256 + 87x2 + 56x3 + 87x4 = 34

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