Soluzione per Sudoku difficile #1226417859398
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Questo puzzle di sudoku ha 63 passaggi e viene risolto utilizzando tecniche di Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), undefined, Turbot Fish.
Naked Single
Spiegazione
Hidden Single
Spiegazione
Locked Candidates
Spiegazione
Locked Candidates
Spiegazione
Full House
Spiegazione
Passaggi della soluzione:
- Riga 1 / Colonna 4 → 1 (Naked Single)
- Riga 2 / Colonna 4 → 2 (Naked Single)
- Riga 3 / Colonna 4 → 4 (Naked Single)
- Riga 6 / Colonna 4 → 7 (Naked Single)
- Riga 7 / Colonna 4 → 9 (Full House)
- Riga 4 / Colonna 5 → 9 (Hidden Single)
- Riga 5 / Colonna 5 → 2 (Hidden Single)
- Riga 6 / Colonna 3 → 2 (Hidden Single)
- Riga 8 / Colonna 2 → 3 (Hidden Single)
- Riga 3 / Colonna 9 → 2 (Hidden Single)
- Riga 7 / Colonna 6 → 2 (Hidden Single)
- Riga 3 / Colonna 7 → 7 (Hidden Single)
- Riga 8 / Colonna 9 → 9 (Hidden Single)
- Riga 9 / Colonna 1 → 9 (Hidden Single)
- Riga 1 / Colonna 7 → 9 (Hidden Single)
- Riga 3 / Colonna 2 → 9 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 8 in b1 => r78c1<>8
- Locked Candidates Type 1 (Pointing): 3 in b6 => r2c9<>3
- Locked Candidates Type 1 (Pointing): 1 in b7 => r7c5<>1
- Locked Candidates Type 2 (Claiming): 6 in c3 => r7c12,r8c1<>6
- 2-String Kite: 5 in r3c6,r6c1 (connected by r4c6,r6c5) => r3c1<>5
- Turbot Fish: 5 r1c2 =5= r2c1 -5- r6c1 =5= r6c5 => r1c5<>5
- XY-Wing: 5/6/8 in r1c29,r3c1 => r3c8<>8
- XY-Wing: 1/8/5 in r49c6,r9c3 => r4c3<>5
- Riga 4 / Colonna 3 → 4 (Naked Single)
- Riga 5 / Colonna 9 → 4 (Hidden Single)
- Riga 5 / Colonna 8 → 7 (Hidden Single)
- Riga 7 / Colonna 9 → 7 (Hidden Single)
- Riga 9 / Colonna 5 → 7 (Hidden Single)
- Riga 6 / Colonna 7 → 6 (Hidden Single)
- Riga 8 / Colonna 1 → 7 (Hidden Single)
- Riga 9 / Colonna 6 → 1 (Hidden Single)
- Riga 4 / Colonna 6 → 5 (Naked Single)
- Riga 6 / Colonna 5 → 1 (Full House)
- Riga 6 / Colonna 9 → 3 (Naked Single)
- Riga 6 / Colonna 1 → 5 (Full House)
- Riga 8 / Colonna 5 → 4 (Hidden Single)
- Riga 7 / Colonna 1 → 4 (Hidden Single)
- Riga 4 / Colonna 1 → 3 (Hidden Single)
- Riga 1 / Colonna 2 → 5 (Hidden Single)
- Riga 1 / Colonna 9 → 8 (Naked Single)
- Riga 1 / Colonna 5 → 6 (Full House)
- Riga 7 / Colonna 2 → 1 (Naked Single)
- Riga 5 / Colonna 2 → 6 (Full House)
- Riga 5 / Colonna 1 → 1 (Full House)
- Riga 2 / Colonna 7 → 1 (Naked Single)
- Riga 4 / Colonna 7 → 8 (Full House)
- Riga 4 / Colonna 9 → 1 (Full House)
- Riga 2 / Colonna 9 → 5 (Full House)
- Riga 3 / Colonna 6 → 8 (Naked Single)
- Riga 8 / Colonna 6 → 6 (Full House)
- Riga 7 / Colonna 5 → 8 (Full House)
- Riga 8 / Colonna 3 → 8 (Full House)
- Riga 2 / Colonna 5 → 3 (Naked Single)
- Riga 3 / Colonna 5 → 5 (Full House)
- Riga 3 / Colonna 1 → 6 (Naked Single)
- Riga 2 / Colonna 1 → 8 (Full House)
- Riga 2 / Colonna 8 → 6 (Full House)
- Riga 3 / Colonna 8 → 3 (Full House)
- Riga 7 / Colonna 8 → 5 (Naked Single)
- Riga 7 / Colonna 3 → 6 (Full House)
- Riga 9 / Colonna 3 → 5 (Full House)
- Riga 9 / Colonna 8 → 8 (Full House)
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