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.
NYT Hard Sudoku 13th May 2024: One Step Solution
Stage 1: Pick up easy ones and use powerful Sudoku techniques
Hidden singles R8C6 3, R9C6 7.
Double digit scan for [4,8] in R7, C5: Cycle (4,8) in R8C4, R9C4 in C4.
Naked single R8C5 2, hidden single R3C5 2.
Single digit lock on 2 in R9: hidden singles R7C9 2, R1C8 2, R2C8 5, R2C3 4, R7C1 7, R7C3 3, R3C3 9, R1C2 7.
By parallel scan of 9 in R3, R4, Single digit lock on 9 in R7C5, R9C5: major breakthrough.
Triple digit scan for [3,4,8] in C4, C5, C8 on R4 reduces [3,4,8] from R4 DS [3,4,8, 1,5,6] to form breakthrough Cycle (1,5,6) in R4: naked single R4C6 4.
Single digit lock on 5 in R4C4, R4C5 creates Cycle (2,9) in C6 by DS reduction of [5,8] from C6 DS.
Major breakthrough naked singles R2C6 8, R1C6 5, R3C5 1, R2C4 9, hidden single R1C7 8, Cycles (3,7) in R3, (1,6) in R2 in top right major square.
Effects of the breakthrough continues: naked single R2C2 3, R3C1 5. Hidden single R5C1 4, R4C1 3, naked single R4C9 8.
Critical breakthrough R3C7 3 by parallel scan for 3 on C7.
Rest will be simple. Start with R3C9 7.
Solution.
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NYT Hard Sudoku 13th May 2024: One Step Solution: Intermediate stage
The intermediate status of the solution for better understanding.
