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Products (Off-by-One) (768)
Other names: Wrong products
Instruction:
Place the specified list of numbers into some cells so that each number is in exactly one cell, and no cell has more than one number. (Most cells will remain empty). Each row and each column must contain exactly two numbers. Numbers outside the grid, when given, are 1 more or 1 less than the product of the two numbers in that row or column.