Colour Killer X Sudoku — Knight Features

The normal rules of Killer Sudoku apply. In addition, both main diagonals (marked) and all cells of the same colour must also contain all the digits from 1-9.

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Killer Sudoku. Anti - Knight - X Diagonal. 10 X 10. 250 Puzzles. Level Bronze., Andrii Pitenko Book, In-Stock - Buy Now

Irregular Killer Sudoku — Knight Features

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