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.
Solution code: Content of columns 4, then 5, top to bottom. No space between the digits.
on 9. May 2020, 22:08 by Carrick22
Oops, the title was missing. Fixed now.
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