Solve NYT hard Sudoku 7th May at one step. To reach the game break-open point, a series of major breakthroughs needed. These are hard to find.
NYT Hard Sudoku 7th May 2024: One Step Solution
Stage 1: All breakthroughs over, not easy though
Hidden singles R2C2 5. Naked single R7C5 6. Hidden single R9C1 6.
Double digit scan for [3,5] in R7, R9: Cycle (3,5) in R8 right bottom major square.
Unexpected naked single R8C4 8 by parallel digit scan possible because of the Cycle (3,5).
Double digit scan of [5,8] in C4, C6: Cycle (5,8) in C5: naked singles R3C5 3, R9C5 9.
Digits [6,9] in top left major square creates Cycle (6,9) in R1.
Digits [3,6] in C4 create naked singles R4C6 3, R5C6 6 and Cycle (1,4,9) in C4, naked singles R2C4 2, R2C6 9.
Crucial breakthrough naked single R4C9 7: Cycles (2,3,5) and (1,4) in C9. Cycles (1,2,4) and (5,7) in R3.
Major breakthrough naked single R1C9 2.
This is the last breakthrough that needed finding. Rest are easy.
Solution.
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NYT Hard Sudoku 3rd May 2024: One Step Solution: Intermediate stage
The intermediate status of the solution for better understanding.
