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Ce Sudoku Puzzle a 8 étapes et il est résolu en utilisant les techniques Hidden Single, Locked Candidates Type 1 (Pointing), Grouped Discontinuous Nice Loop, Give Up.

Hidden Single Explication
Locked Candidates Explication
Essayez de résoudre

Étapes de la solution :

  1. Ligne 5 / Colonne 7 → 4 (Hidden Single)
  2. Ligne 5 / Colonne 4 → 2 (Hidden Single)
  3. Ligne 4 / Colonne 9 → 9 (Hidden Single)
  4. Locked Candidates Type 1 (Pointing): 1 in b6 => r3c8<>1
  5. Locked Candidates Type 1 (Pointing): 3 in b6 => r137c8<>3
  6. Locked Candidates Type 1 (Pointing): 5 in b6 => r79c8<>5
  7. Grouped Discontinuous Nice Loop: 3 r7c9 -3- r7c123 =3= r8c3 =6= r8c9 =4= r7c9 => r7c9<>3
  8. Give Up: Don't know how to proceed!
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