From the many arrow anti-knight sudoku that I have solved, the least amount of arrows being used is 5, so I challenged myself to find one with 4 arrows only (with different shapes as well). If such sudoku does exist before me, kindly let me know in the comments.
Normal sudoku rules apply.
Arrow: Digits along an arrow must sum to the digit in the arrow's circle. If allowed by other rules, digit may repeat.
Anti-Knight: Cells separated by a knight's move (in chess) cannot contain the same digit.
Puzzle:
Lösungscode: Column 5 then Row 5 (no space 18 digits)
am 12. Februar 2024, 15:53 Uhr von Krisonium
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