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Description
Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each of the twelve rows, twelve columns and nine outlined 4Ã4 regions. Digits in the large cells belong to more than one row/column.
Place a digit from 1 to 9 in each empty cell so that each digit appears exactly once in each of the twelve rows, twelve columns and nine outlined 4Ã4 regions. Digits in the large cells belong to more than one row/column.
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