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1
This Sudoku Puzzle has 48 steps and it is solved using Locked Candidates Type 1 (Pointing), Swordfish, undefined, Turbot Fish, Naked Triple, Finned Swordfish, Simple Colors Trap, Naked Single, Full House techniques.
Try To Solve This PuzzleSolution Steps:
- Locked Candidates Type 1 (Pointing): 8 in b4 => r6c56<>8
- Swordfish: 7 r167 c189 => r4c18,r89c8,r9c1<>7
- 2-String Kite: 4 in r5c6,r7c9 (connected by r5c8,r6c9) => r7c6<>4
- Turbot Fish: 4 r6c9 =4= r7c9 -4- r7c4 =4= r8c6 => r6c6<>4
- Naked Triple: 1,2,6 in r267c6 => r5c6<>2, r8c6<>6
- Finned Swordfish: 4 r589 c168 fr8c3 fr9c2 fr9c3 => r7c1<>4
- Finned Swordfish: 4 r589 c268 fr8c3 fr9c1 fr9c3 => r7c2<>4
- Simple Colors Trap: 4 (r5c6,r6c9,r7c4) / (r5c8,r7c9,r8c6) => r46c8<>4
- XY-Chain: 2 2- r5c8 -4- r5c6 -8- r8c6 -4- r7c4 -1- r7c6 -6- r6c6 -2 => r5c5,r6c89<>2
- Row 5 / Column 5 → 8 (Naked Single)
- Row 5 / Column 6 → 4 (Naked Single)
- Row 5 / Column 8 → 2 (Full House)
- Row 6 / Column 4 → 5 (Naked Single)
- Row 8 / Column 6 → 8 (Naked Single)
- Row 1 / Column 8 → 7 (Naked Single)
- Row 1 / Column 9 → 2 (Full House)
- Row 4 / Column 4 → 1 (Naked Single)
- Row 7 / Column 4 → 4 (Full House)
- Row 7 / Column 9 → 7 (Naked Single)
- Row 6 / Column 9 → 4 (Full House)
- Row 7 / Column 1 → 2 (Naked Single)
- Row 8 / Column 7 → 6 (Naked Single)
- Row 7 / Column 2 → 6 (Naked Single)
- Row 7 / Column 6 → 1 (Full House)
- Row 4 / Column 7 → 7 (Naked Single)
- Row 9 / Column 7 → 2 (Full House)
- Row 8 / Column 5 → 7 (Naked Single)
- Row 9 / Column 5 → 6 (Full House)
- Row 2 / Column 6 → 2 (Naked Single)
- Row 2 / Column 5 → 1 (Full House)
- Row 6 / Column 6 → 6 (Full House)
- Row 6 / Column 8 → 3 (Naked Single)
- Row 4 / Column 8 → 6 (Full House)
- Row 6 / Column 5 → 2 (Naked Single)
- Row 4 / Column 5 → 3 (Full House)
- Row 6 / Column 2 → 8 (Naked Single)
- Row 6 / Column 1 → 7 (Full House)
- Row 9 / Column 2 → 4 (Naked Single)
- Row 4 / Column 2 → 2 (Full House)
- Row 8 / Column 3 → 5 (Naked Single)
- Row 8 / Column 8 → 4 (Full House)
- Row 9 / Column 8 → 5 (Full House)
- Row 4 / Column 3 → 4 (Naked Single)
- Row 4 / Column 1 → 5 (Full House)
- Row 9 / Column 1 → 8 (Naked Single)
- Row 2 / Column 1 → 4 (Full House)
- Row 2 / Column 3 → 8 (Full House)
- Row 9 / Column 3 → 7 (Full House)
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