text: 4
  8
  3
  5
  7
  2
  9
  6
  2
  3
  3
  7
  4
  7
  2
  1
  8
  7
  4
  8
  3
  7
  7
  5
  8
  2
  9
  9
  7
  8
  3
  
  This Sudoku Puzzle has 61 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 2 (Claiming), Naked Triple, Hidden Pair, undefined, Skyscraper techniques.
  
  Try To Solve This Puzzle
  
  ## Solution Steps:
  
  1. Row 1 / Column 6 → 5 (Naked Single)
  2. Row 3 / Column 8 → 1 (Naked Single)
  3. Row 1 / Column 5 → 1 (Naked Single)
  4. Row 1 / Column 8 → 9 (Full House)
  5. Row 6 / Column 1 → 8 (Hidden Single)
  6. Row 7 / Column 8 → 2 (Hidden Single)
  7. Row 9 / Column 2 → 4 (Hidden Single)
  8. Row 5 / Column 3 → 4 (Hidden Single)
  9. Locked Candidates Type 2 (Claiming): 3 in c5 => r6c4<>3
  10. Naked Triple: 1,5,6 in r7c12,r9c1 => r8c13<>1, r8c13<>6
  11. Locked Candidates Type 2 (Claiming): 1 in r8 => r7c9<>1
  12. Hidden Pair: 2,3 in r46c7 => r4c7<>1, r46c7<>5
  13. 2-String Kite: 4 in r2c5,r7c9 (connected by r7c6,r8c5) => r2c9<>4
  14. 2-String Kite: 6 in r5c8,r8c5 (connected by r8c9,r9c8) => r5c5<>6
  15. W-Wing: 8/5 in r2c9,r5c5 connected by 5 in r6c59 => r2c5<>8
  16. Row 2 / Column 9 → 8 (Hidden Single)
  17. Row 3 / Column 9 → 4 (Naked Single)
  18. Row 3 / Column 7 → 7 (Naked Single)
  19. Row 2 / Column 7 → 5 (Full House)
  20. Row 5 / Column 7 → 1 (Naked Single)
  21. Row 8 / Column 7 → 4 (Naked Single)
  22. Row 8 / Column 5 → 6 (Naked Single)
  23. Row 2 / Column 5 → 4 (Naked Single)
  24. Row 8 / Column 9 → 1 (Naked Single)
  25. Row 9 / Column 4 → 1 (Naked Single)
  26. Row 2 / Column 6 → 6 (Naked Single)
  27. Row 7 / Column 4 → 3 (Naked Single)
  28. Row 7 / Column 6 → 4 (Full House)
  29. Row 3 / Column 6 → 3 (Full House)
  30. Row 3 / Column 4 → 8 (Full House)
  31. Row 5 / Column 5 → 8 (Hidden Single)
  32. Row 2 / Column 1 → 7 (Hidden Single)
  33. Locked Candidates Type 2 (Claiming): 6 in c3 => r4c12,r5c2<>6
  34. Skyscraper: 5 in r5c2,r9c1 (connected by r59c8) => r4c1,r7c2<>5
  35. XY-Chain: 1 1- r2c2 -9- r5c2 -5- r5c8 -6- r9c8 -5- r9c1 -6- r7c2 -1 => r4c2<>1
  36. XY-Chain: 9 9- r5c2 -5- r5c8 -6- r9c8 -5- r9c1 -6- r3c1 -2- r8c1 -9 => r4c1<>9
  37. Row 8 / Column 1 → 9 (Hidden Single)
  38. Row 8 / Column 3 → 2 (Full House)
  39. Row 6 / Column 7 → 2 (Hidden Single)
  40. Row 4 / Column 7 → 3 (Full House)
  41. Row 4 / Column 5 → 5 (Naked Single)
  42. Row 6 / Column 5 → 3 (Full House)
  43. Row 5 / Column 2 → 5 (Hidden Single)
  44. Row 5 / Column 8 → 6 (Naked Single)
  45. Row 5 / Column 4 → 9 (Full House)
  46. Row 9 / Column 8 → 5 (Full House)
  47. Row 6 / Column 4 → 6 (Full House)
  48. Row 7 / Column 9 → 6 (Full House)
  49. Row 9 / Column 1 → 6 (Full House)
  50. Row 4 / Column 9 → 9 (Naked Single)
  51. Row 6 / Column 9 → 5 (Full House)
  52. Row 6 / Column 3 → 9 (Full House)
  53. Row 7 / Column 2 → 1 (Naked Single)
  54. Row 7 / Column 1 → 5 (Full House)
  55. Row 3 / Column 1 → 2 (Naked Single)
  56. Row 3 / Column 2 → 6 (Full House)
  57. Row 4 / Column 1 → 1 (Full House)
  58. Row 4 / Column 2 → 2 (Naked Single)
  59. Row 2 / Column 2 → 9 (Full House)
  60. Row 2 / Column 3 → 1 (Full House)
  61. Row 4 / Column 3 → 6 (Full House)
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