Fill the grid with nine non-overlapping 3x3 square regions, such that each region contains the digits 1-9 once each and no digit repeats in any row or column. Cells outside regions do not contain digits.
Cages show the sum of their digits, and digits cannot repeat within a cage. Empty cells do not participate in numerical calculations.
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Solution code: Row 6 and Column 6, with an 'X' for any empty cells
on 11. March 2024, 06:19 by h5663454
…中间的二选一有点缺德,剩下没啥了
on 10. March 2024, 16:10 by Virux
Very nice puzzle! Would rate it 2.5 to 3 stars in difficulty.
A joy to solve!
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