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Ce Sudoku Puzzle a 15 étapes et il est résolu en utilisant les techniques Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Discontinuous Nice Loop, Naked Single, Give Up.

Naked Single Explication
Hidden Single Explication
Locked Candidates Explication
Locked Candidates Explication
Essayez de résoudre

Étapes de la solution :

  1. Ligne 2 / Colonne 7 → 1 (Hidden Single)
  2. Ligne 7 / Colonne 7 → 8 (Hidden Single)
  3. Ligne 7 / Colonne 9 → 1 (Hidden Single)
  4. Ligne 7 / Colonne 2 → 3 (Hidden Single)
  5. Ligne 8 / Colonne 8 → 3 (Hidden Single)
  6. Ligne 4 / Colonne 7 → 6 (Hidden Single)
  7. Ligne 3 / Colonne 9 → 6 (Hidden Single)
  8. Locked Candidates Type 1 (Pointing): 2 in b3 => r46c8<>2
  9. Locked Candidates Type 1 (Pointing): 5 in b3 => r6c8<>5
  10. Locked Candidates Type 2 (Claiming): 4 in r5 => r46c3,r6c2<>4
  11. Discontinuous Nice Loop: 6 r6c5 -6- r7c5 -4- r9c6 =4= r6c6 =1= r6c5 => r6c5<>6
  12. Locked Candidates Type 1 (Pointing): 6 in b5 => r7c4<>6
  13. Ligne 7 / Colonne 4 → 5 (Naked Single)
  14. Discontinuous Nice Loop: 6 r5c2 -6- r2c2 =6= r2c3 -6- r7c3 -4- r5c3 =4= r5c2 => r5c2<>6
  15. Give Up: Don't know how to proceed!
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