Rules
In addition to standard Killer Sudoku rules, no two cells a knight’s move [2,1] away from each other can be consecutive. For example, a 5 cannot be a knight’s move away from a 4 or a 6.
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In addition to standard Killer Sudoku rules, no two cells a knight’s move [2,1] away from each other can be consecutive. For example, a 5 cannot be a knight’s move away from a 4 or a 6.
