3
8
4
6
2
9
1
7
5
4
7
5
8
1
3
4
7
1
8
3
2
4
6
6
2
4
8
7
7
5
8
2
2
7
5
6
7

Ce Sudoku Puzzle a 21 étapes et il est résolu en utilisant les techniques Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Hidden Pair, Hidden Single, Uniqueness Test 4, undefined, Naked Single, Uniqueness Test 3, Give Up.

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

Étapes de la solution :

  1. Locked Candidates Type 1 (Pointing): 2 in b3 => r3c45<>2
  2. Locked Candidates Type 1 (Pointing): 9 in b4 => r789c2<>9
  3. Locked Candidates Type 1 (Pointing): 1 in b6 => r79c7<>1
  4. Locked Candidates Type 2 (Claiming): 4 in r8 => r7c45,r9c45<>4
  5. Locked Candidates Type 2 (Claiming): 5 in c6 => r4c45,r5c45,r6c45<>5
  6. Naked Triple: 3,4,9 in r9c178 => r9c245<>3, r9c459<>9
  7. Locked Candidates Type 2 (Claiming): 3 in r9 => r7c7<>3
  8. Hidden Pair: 2,4 in r4c45 => r4c45<>3, r4c45<>8, r4c45<>9
  9. Ligne 4 / Colonne 6 → 8 (Hidden Single)
  10. Ligne 6 / Colonne 6 → 5 (Hidden Single)
  11. Locked Candidates Type 1 (Pointing): 3 in b5 => r6c7<>3
  12. Uniqueness Test 4: 5/9 in r4c27,r5c27 => r45c7<>9
  13. Uniqueness Test 4: 4/9 in r7c17,r9c17 => r79c7<>9
  14. W-Wing: 6/9 in r1c8,r4c9 connected by 9 in r36c7 => r3c9,r4c8<>6
  15. Ligne 4 / Colonne 9 → 6 (Hidden Single)
  16. Ligne 1 / Colonne 8 → 6 (Hidden Single)
  17. Locked Candidates Type 1 (Pointing): 9 in b3 => r3c456<>9
  18. Ligne 3 / Colonne 6 → 3 (Naked Single)
  19. Uniqueness Test 3: 6/8 in r3c45,r7c45 => r9c45<>1
  20. Uniqueness Test 4: 2/9 in r3c79,r7c79 => r7c9<>9
  21. Give Up: Don't know how to proceed!
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