8x8 Irregular Killer Sudoku n°3
Apply classic Sudoku rules : Each row, column and bold-outlined region must contain the digits 1-8 once.
Furthermore, cages, formed by dashed lines in the puzzle, must contain digits that sum up to their value, indicated in their top-left corner. Digits may not repeat within a cage.
In this puzzle, the middle region must contain the digits from 1 to 8 exactly twice.
You can use Penpa-edit for solving it on your browser. For mobile users, you can use the "Panel" for a tactile number pad.
Lösungscode: Content of column 4, then 5, top to bottom.