Pasos de la solución:

1. Fila 3 / Columna 6 → 5 (Hidden Single)
2. Fila 6 / Columna 6 → 2 (Hidden Single)
3. Fila 9 / Columna 3 → 6 (Hidden Single)
4. Fila 4 / Columna 7 → 2 (Hidden Single)
5. Fila 1 / Columna 8 → 2 (Hidden Single)
6. Fila 2 / Columna 5 → 9 (Hidden Single)
7. Fila 2 / Columna 3 → 2 (Hidden Single)
8. Fila 2 / Columna 9 → 1 (Hidden Single)
9. Locked Candidates Type 1 (Pointing): 4 in b2 => r89c4<>4
10. Locked Candidates Type 1 (Pointing): 6 in b3 => r3c4<>6
11. Locked Candidates Type 1 (Pointing): 1 in b5 => r189c5<>1
12. Locked Candidates Type 1 (Pointing): 6 in b5 => r5c9<>6
13. Naked Pair: 7,8 in r1c25 => r1c46<>7, r1c4<>8
14. Naked Triple: 1,6,7 in r157c6 => r89c6<>1, r89c6<>7
15. Hidden Pair: 3,6 in r36c7 => r3c7<>7, r36c7<>8, r6c7<>5
16. Locked Candidates Type 1 (Pointing): 5 in b6 => r8c9<>5
17. 2-String Kite: 8 in r2c7,r8c5 (connected by r1c5,r2c4) => r8c7<>8
18. Empty Rectangle: 7 in b5 (r1c25) => r5c2<>7
19. Empty Rectangle: 7 in b7 (r38c9) => r3c2<>7
20. Empty Rectangle: 7 in b7 (r1c25) => r8c5<>7
21. Discontinuous Nice Loop: 7 r3c4 -7- r3c9 =7= r2c7 =8= r2c4 =4= r3c4 => r3c4<>7
22. Discontinuous Nice Loop: 1 r6c2 -1- r6c5 -3- r6c7 =3= r3c7 -3- r3c8 -8- r3c4 -4- r3c2 =4= r6c2 => r6c2<>1
23. Discontinuous Nice Loop: 3 r6c1 -3- r6c7 -6- r3c7 =6= r3c9 =7= r8c9 -7- r8c1 -3- r6c1 => r6c1<>3
24. XY-Chain: 3 3- r3c8 -8- r2c7 -7- r2c1 -4- r6c1 -6- r6c7 -3 => r3c7,r5c8<>3
25. Fila 3 / Columna 7 → 6 (Naked Single)
26. Fila 6 / Columna 7 → 3 (Naked Single)
27. Fila 6 / Columna 5 → 1 (Naked Single)
28. Fila 3 / Columna 8 → 3 (Hidden Single)
29. 2-String Kite: 3 in r5c4,r8c1 (connected by r4c1,r5c2) => r8c4<>3
30. Discontinuous Nice Loop: 8 r6c2 -8- r1c2 -7- r2c1 -4- r6c1 =4= r6c2 => r6c2<>8
31. Discontinuous Nice Loop: 7 r9c4 -7- r2c4 =7= r1c5 -7- r4c5 -3- r5c4 =3= r9c4 => r9c4<>7
32. Discontinuous Nice Loop: 8 r5c2 -8- r5c8 -9- r9c8 -1- r9c4 -3- r5c4 =3= r5c2 => r5c2<>8
33. Locked Candidates Type 1 (Pointing): 8 in b4 => r3c3<>8
34. Grouped Discontinuous Nice Loop: 9 r5c2 -9- r4c23 =9= r4c9 =6= r4c1 -6- r6c1 -4- r2c1 -7- r2c4 =7= r1c5 -7- r4c5 -3- r5c4 =3= r5c2 => r5c2<>9
35. AIC: 4 4- r2c1 =4= r6c1 =6= r6c9 -6- r4c9 -9- r4c2 =9= r3c2 =4= r3c4 -4 => r2c4,r3c2<>4
36. Fila 2 / Columna 1 → 4 (Hidden Single)
37. Fila 6 / Columna 1 → 6 (Naked Single)
38. Fila 3 / Columna 4 → 4 (Hidden Single)
39. Fila 6 / Columna 2 → 4 (Hidden Single)
40. Fila 4 / Columna 9 → 6 (Hidden Single)
41. Locked Candidates Type 1 (Pointing): 9 in b6 => r5c3<>9
42. Naked Pair: 3,7 in r4c15 => r4c2<>3, r4c23<>7
43. 2-String Kite: 7 in r2c4,r8c9 (connected by r2c7,r3c9) => r8c4<>7
44. Turbot Fish: 7 r1c2 =7= r3c3 -7- r3c9 =7= r8c9 => r8c2<>7
45. Empty Rectangle: 7 in b8 (r1c25) => r7c2<>7
46. Discontinuous Nice Loop: 7 r7c4 -7- r2c4 -8- r2c7 =8= r7c7 =5= r7c2 =2= r7c4 => r7c4<>7
47. Grouped Discontinuous Nice Loop: 7 r8c7 -7- r8c9 =7= r3c9 -7- r3c3 =7= r1c2 -7- r9c2 =7= r8c13 -7- r8c7 => r8c7<>7
48. Discontinuous Nice Loop: 1 r7c2 -1- r7c8 =1= r9c8 =9= r9c6 =4= r9c7 -4- r8c7 -5- r7c7 =5= r7c2 => r7c2<>1
49. Discontinuous Nice Loop: 1 r7c4 -1- r7c8 =1= r9c8 =9= r9c6 =4= r9c7 -4- r8c7 -5- r7c7 =5= r7c2 =2= r7c4 => r7c4<>1
50. AIC: 8/9 8- r5c8 =8= r7c8 =1= r7c6 =7= r9c5 =5= r8c5 -5- r8c7 -4- r8c6 -9- r8c9 =9= r5c9 -9 => r5c9<>8, r5c8<>9
51. Fila 5 / Columna 8 → 8 (Naked Single)
52. Fila 6 / Columna 9 → 5 (Naked Single)
53. Fila 5 / Columna 9 → 9 (Full House)
54. Fila 6 / Columna 3 → 8 (Full House)
55. Fila 7 / Columna 8 → 1 (Naked Single)
56. Fila 9 / Columna 8 → 9 (Full House)
57. Fila 7 / Columna 6 → 7 (Naked Single)
58. Fila 9 / Columna 6 → 4 (Naked Single)
59. Fila 5 / Columna 6 → 6 (Naked Single)
60. Fila 8 / Columna 6 → 9 (Naked Single)
61. Fila 1 / Columna 6 → 1 (Full House)
62. Fila 1 / Columna 4 → 6 (Naked Single)
63. Fila 8 / Columna 7 → 4 (Hidden Single)
64. X-Wing: 8 r27 c47 => r8c4<>8
65. W-Wing: 5/3 in r5c2,r9c5 connected by 3 in r4c15 => r9c2<>5
66. Sashimi Swordfish: 7 r259 c347 fr9c2 => r8c3<>7
67. XY-Wing: 1/5/2 in r7c2,r8c34 => r7c4,r8c2<>2
68. Fila 7 / Columna 4 → 8 (Naked Single)
69. Fila 2 / Columna 4 → 7 (Naked Single)
70. Fila 1 / Columna 5 → 8 (Full House)
71. Fila 2 / Columna 7 → 8 (Full House)
72. Fila 1 / Columna 2 → 7 (Full House)
73. Fila 3 / Columna 9 → 7 (Full House)
74. Fila 8 / Columna 9 → 8 (Full House)
75. Fila 7 / Columna 7 → 5 (Naked Single)
76. Fila 7 / Columna 2 → 2 (Full House)
77. Fila 9 / Columna 7 → 7 (Full House)
78. Fila 5 / Columna 4 → 3 (Naked Single)
79. Fila 4 / Columna 5 → 7 (Full House)
80. Fila 3 / Columna 3 → 9 (Naked Single)
81. Fila 3 / Columna 2 → 8 (Full House)
82. Fila 5 / Columna 2 → 5 (Naked Single)
83. Fila 5 / Columna 3 → 7 (Full House)
84. Fila 9 / Columna 4 → 1 (Naked Single)
85. Fila 8 / Columna 4 → 2 (Full House)
86. Fila 4 / Columna 1 → 3 (Naked Single)
87. Fila 8 / Columna 1 → 7 (Full House)
88. Fila 4 / Columna 3 → 1 (Naked Single)
89. Fila 4 / Columna 2 → 9 (Full House)
90. Fila 8 / Columna 3 → 5 (Full House)
91. Fila 9 / Columna 2 → 3 (Naked Single)
92. Fila 8 / Columna 2 → 1 (Full House)
93. Fila 8 / Columna 5 → 3 (Full House)
94. Fila 9 / Columna 5 → 5 (Full House)