Solve the 12th May NYT hard Sudoku at one step. For quick elegant solution, need to proceed systematically. Use advanced techniques at the earliest.
NYT Hard Sudoku 12th May 2024: Elegant One Step Solution
Stage 1: Use powerful Sudoku techniques first
Hidden singles R9C8 7, R1C4 7.
Triple digit scan for [5,7,9] in R4, R5 on central major square creates major breakthrough resource Cycle (7,9) in R6 and naked single R6C4 5.
Double digit scan for [1,5] in R1, R3, C3 creates Cycle (1,5) in R2 and naked singles R2C4 4, R3C4 2, R9C4 3, R4C4 8.
Cycle (6,9) in R3.
R3C7 8 by parallel scan for 8 on C7. Single digit lock pn 9 in C1: hidden single R9C3 9.
Cycle (4,6) formed in C7 by DS reduction of [1,9] from C7 DS [1,4,6,9]: naked singles R4C7 1, R1C7 9.
Hidden single R1C8 1.
X wing on 1 formed in R2C5, R2C6 and R5C5, R5C6: Critical breakthrough hidden singles R6C3 1.
Rest routine hidden singles or naked singles. Start with R8C1 1.
Solution.
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NYT Hard Sudoku 12th May 2024: Elegant One Step Solution: Intermediate stage
The intermediate status of the solution for better understanding.
