Rules:
Play it online in SudokuPad.
Lösungscode: Row 1, left to right.
Heute, 15:36 Uhr von GiAnMMV
Corrected error in puzzle, thanks to Hiku for reporting it!
Heute, 15:11 Uhr von Hiku
Hello! Loved the puzzle.
There seems to be a small issue in the 7th box though - between r8c2 and r9c2, I think it should be a K instead of B!
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Hi, thank you very much for noticing! I corrected it.
Heute, 02:52 Uhr von naderghanbari
Amazing puzzle. I initially misinterpreted the rules as groups of orthogonally adjacent cells must sum to the same number. Spent nearly an hour and got nowhere and close to contradictions. Then I noticed the rule set clearly says "pairs of adjacent ..."!