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.
More Sudoku
Suresolv Sudoku
For more of challenging NYT hard Sudoku with quick solutions click here. Solutions based on the easier unconventional Sudoku processes I use. These are explained in other games. Being based on basic three Sudoku rules, the techniques are easy to understand.
To play and learn to solve Expert Sudoku games, click here.
To play and learn all our Sudoku games including: Beginner level Sudoku, Medium level Sudoku and level 4 Hard Sudoku, click here.
Online Sudoku
To play daily balanced good quality hard Sudoku online click here.
To play unlimited number of hard Sudoku with 22 or 23 filled cells classified as Expert Sudoku online, click here.
These two sources have hard Sudoku you can rely on for challenge and quality.