“Interlocked Sudoku” Puzzle Rules:
This puzzle consists of two overlapping 9×9 Sudokus.
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Each grid follows standard Sudoku rules.
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Digits 1–9 must appear once in every row, column, and 3×3 box.
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Shaded cells are shared by both Sudokus.
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Numbers in shared cells must satisfy the rules of both grids.
Neither Sudoku can be solved on its own.
Solve both together to complete the puzzle.
Solution of this Interlocked Sudoku can be viewed by clicking on button. Please do give your best try to solve this Sudoku puzzle before looking at the answer.
Link to solve it online: Penpa+
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