Solve 21st May NYT hard Sudoku at one step. Identify the naked and hidden singles along with special digit patterns quickly. Hints included.

### NYT Hard Sudoku 21st May 2024: One Step Solution

R1C9 2. R3C3 4, R4C7 4, R5C6 4, R7C5 4, R1C4 4.

Naked R3C4 7. R5C1 2 parallel scan on R5.

X wing on 3 in R3, R5, C8, C9: R7C7 3 R9C7 2 parallel scan for 2 on C7.

R1C8 7. Naked R9C5 6, R1C5 1, R2C5 5, R2C2 1, R1C6 6.

Single digit lock on 2 in R8, R7C2 2, R8C2 7.

Single digit lock on 6 in C2, R5C3 5 critical breakthrough. Rest naked and hidden singles.

Start with R6C7 8.

Intermediate stage shown for clarity.

#### NYT Hard Sudoku 21st May 2024: One Step Solution: Intermediate stage

#### NYT Hard Sudoku 21st May 2024: One Step Solution: Final stage

Start with R5C3 5.

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