Irregular 9x9 sudoku rules : place the digits 1 to 9 exactly once in every row, column and bold-outlined region.
Bricks: Pairs of cells outlined by dotted lines are called "Bricks". Each brick must contain one EVEN digit and one ODD digit.
Solve online at this SudokuPad link.
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Lösungscode: Row 9 (without spaces or commas)
am 18. August 2026, 11:33 Uhr von firespire
I should have outlined different regions before I started colouring cells because the black line became harder to see.