Neighbor Sum Antiknight Sudoku
(Published on 29. October 2020, 18:42 by dgreenspan)
Normal sudoku rules apply. Cells that are a chess knight's move apart must contain different digits. Shaded cells must be equal to the sum of the adjacent cells (that is, cells sharing an edge). Not all cells that could be shaded are necessarily shaded.
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Solution code: Row 9 and column 9
Solved by karen_birgitta, Narayana, ThrowngNinja, Julianl, LongOrteil, tyb, SirWoezel, Zzzyxas, marcmees, zorant, NikolaZ, MartinR, kolot, SSG, DiMono
