Intermediate Sudoku for 2026-06-15

Intermediate Sudoku puzzle published on 2026-06-15, with 29 given clues. Solving it requires the following techniques: Hidden Single, Naked Single, Pointing Pair, Naked Triple, Naked Quad, Naked Pair. Every puzzle on this site is generated by Dancing Links and then verified by a tiered human-style solver, so it is guaranteed solvable with logic alone – no guessing or backtracking.