Solve 21st May NYTimes hard Sudoku at one step. Identify the naked and hidden singles along with special digit patterns quickly. Hints included.
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Solve the 13th May NYT hard Sudoku at one step. Solution may take time. Pick up as many easy valid cells as you can and apply power techniques early.
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Solve the 11th May NYT hard Sudoku at one step. It will take some time to break open the game completely. It will need patience and experience.
