Etapas da solução:

1. Fileira 4 / Coluna 6 → 6 (Escondido solteiro)
2. Fileira 2 / Coluna 7 → 6 (Escondido solteiro)
3. Fileira 7 / Coluna 5 → 6 (Escondido solteiro)
4. Fileira 8 / Coluna 3 → 6 (Escondido solteiro)
5. Fileira 1 / Coluna 1 → 6 (Escondido solteiro)
6. Locked Candidates Type 1 (Pointing): 9 in b4 => r3c1<>9
7. Locked Candidates Type 1 (Pointing): 1 in b8 => r9c79<>1
8. Naked Triple: 4,5,7 in r7c136 => r7c2<>4, r7c279<>5, r7c9<>7
9. Fileira 7 / Coluna 2 → 3 (Solteira despida)
10. Finned Swordfish: 2 r268 c267 fr6c1 => r4c2<>2
11. Finned Swordfish: 2 c359 r159 fr4c9 => r5c7<>2
12. AIC: 2 2- r4c9 =2= r4c1 =9= r4c4 -9- r6c6 =9= r2c6 =2= r2c2 -2- r8c2 =2= r8c7 -2 => r6c7,r9c9<>2
13. Discontinuous Nice Loop: 1 r5c5 -1- r9c5 -5- r9c7 -2- r8c7 =2= r8c2 -2- r2c2 =2= r2c6 -2- r1c5 =2= r5c5 => r5c5<>1
14. Fileira 9 / Coluna 5 → 1 (Escondido solteiro)
15. Discontinuous Nice Loop: 5 r9c1 -5- r9c7 -2- r8c7 =2= r8c2 =8= r9c1 => r9c1<>5
16. Discontinuous Nice Loop: 7 r9c1 -7- r9c9 -5- r9c7 -2- r8c7 =2= r8c2 =8= r9c1 => r9c1<>7
17. Grouped Continuous Nice Loop: 1/3/4/5/9 8= r3c7 =4= r3c13 -4- r12c2 =4= r6c2 -4- r5c13 =4= r5c7 =8= r3c7 =4 => r5c7<>1, r35c7<>3, r1c3,r6c1<>4, r35c7<>5, r3c7<>9
18. Naked Pair: 4,8 in r35c7 => r16c7<>4
19. Naked Triple: 2,3,5 in r689c7 => r1c7<>3, r1c7<>5
20. Uniqueness Test 1: 1/9 in r1c79,r7c79 => r1c9<>1, r1c9<>9
21. Discontinuous Nice Loop: 1 r1c8 -1- r4c8 -5- r6c7 -3- r8c7 =3= r8c8 =7= r1c8 => r1c8<>1
22. Grouped Discontinuous Nice Loop: 7 r7c6 -7- r8c46 =7= r8c8 =3= r8c7 =2= r8c2 -2- r2c2 =2= r2c6 =4= r7c6 => r7c6<>7
23. Locked Candidates Type 2 (Claiming): 7 in r7 => r9c3<>7
24. Grouped Discontinuous Nice Loop: 5 r9c3 -5- r9c7 -2- r8c7 =2= r8c2 -2- r2c2 =2= r2c6 =4= r7c6 =5= r7c13 -5- r9c3 => r9c3<>5
25. Almost Locked Set XZ-Rule: A=r3c17 {458}, B=r56c7,r6c8 {3458}, X=8, Z=5 => r6c1<>5
26. Almost Locked Set XY-Wing: A=r6c278 {2345}, B=r2578c6 {24579}, C=r2c2489 {12459}, X,Y=2,9, Z=5 => r6c6<>5
27. Almost Locked Set XY-Wing: A=r5c13567 {234578}, B=r12379c9 {135789}, C=r3c1357 {34589}, X,Y=3,8, Z=5 => r5c9<>5
28. Almost Locked Set XY-Wing: A=r5c7 {48}, B=r139c3 {2459}, C=r3c17 {458}, X,Y=5,8, Z=4 => r5c3<>4
29. Grouped Discontinuous Nice Loop: 4 r7c1 -4- r7c6 =4= r2c6 =2= r2c2 =1= r1c2 -1- r1c7 -9- r1c3 =9= r3c3 =4= r79c3 -4- r7c1 => r7c1<>4
30. Almost Locked Set Chain: 3- r6c278 {2345} -2- r8c2468 {23578} -3- r1789c7 {12359} -5- r356c7 {3458} -3 => r5c9,r6c4<>3
31. Locked Candidates Type 2 (Claiming): 3 in c9 => r1c8<>3
32. Hidden Rectangle: 3/5 in r6c78,r8c78 => r8c8<>5
33. Discontinuous Nice Loop: 2/4/5 r1c2 =1= r1c7 -1- r7c7 =1= r7c9 -1- r5c9 =1= r5c4 =3= r5c5 =2= r1c5 -2- r2c6 =2= r2c2 =1= r1c2 => r1c2<>2, r1c2<>4, r1c2<>5
34. Fileira 1 / Coluna 2 → 1 (Solteira despida)
35. Fileira 1 / Coluna 7 → 9 (Solteira despida)
36. Fileira 7 / Coluna 7 → 1 (Solteira despida)
37. Fileira 7 / Coluna 9 → 9 (Solteira despida)
38. Fileira 3 / Coluna 3 → 9 (Escondido solteiro)
39. Locked Candidates Type 2 (Claiming): 4 in c3 => r9c1<>4
40. XYZ-Wing: 2/3/5 in r1c35,r3c5 => r1c4<>5
41. Continuous Nice Loop: 1/5/7 7= r1c8 =4= r1c4 =3= r5c4 =1= r5c9 -1- r2c9 -5- r9c9 -7- r1c9 =7= r1c8 =4 => r4c9<>1, r1c8,r34c9,r5c4<>5, r5c4<>7
42. W-Wing: 2/8 in r4c9,r9c1 connected by 8 in r48c2 => r4c1<>2
43. Fileira 4 / Coluna 9 → 2 (Escondido solteiro)
44. Locked Candidates Type 1 (Pointing): 8 in b6 => r5c1<>8
45. XY-Chain: 5 5- r2c9 -1- r5c9 -8- r3c9 -3- r3c5 -5 => r2c46<>5
46. Locked Candidates Type 1 (Pointing): 5 in b2 => r5c5<>5
47. AIC: 9 9- r2c4 -4- r1c4 =4= r1c8 =7= r8c8 =3= r8c7 =2= r8c2 -2- r2c2 =2= r2c6 =9= r6c6 -9 => r2c6,r46c4<>9
48. Fileira 2 / Coluna 4 → 9 (Escondido solteiro)
49. Fileira 6 / Coluna 6 → 9 (Escondido solteiro)
50. Fileira 4 / Coluna 1 → 9 (Escondido solteiro)
51. Fileira 4 / Coluna 2 → 8 (Escondido solteiro)
52. Fileira 9 / Coluna 1 → 8 (Escondido solteiro)
53. Fileira 8 / Coluna 4 → 8 (Escondido solteiro)
54. Locked Candidates Type 1 (Pointing): 2 in b5 => r5c13<>2
55. Fileira 6 / Coluna 1 → 2 (Escondido solteiro)
56. Fileira 6 / Coluna 4 → 7 (Escondido solteiro)
57. Fileira 8 / Coluna 6 → 7 (Escondido solteiro)
58. Fileira 8 / Coluna 8 → 3 (Solteira despida)
59. Fileira 9 / Coluna 9 → 7 (Escondido solteiro)
60. Fileira 1 / Coluna 8 → 7 (Escondido solteiro)
61. Fileira 6 / Coluna 7 → 3 (Escondido solteiro)
62. Fileira 1 / Coluna 4 → 4 (Escondido solteiro)
63. Fileira 2 / Coluna 6 → 2 (Solteira despida)
64. Fileira 9 / Coluna 4 → 5 (Solteira despida)
65. Fileira 7 / Coluna 6 → 4 (Casa cheia)
66. Fileira 5 / Coluna 6 → 5 (Casa cheia)
67. Fileira 4 / Coluna 4 → 1 (Solteira despida)
68. Fileira 4 / Coluna 8 → 5 (Casa cheia)
69. Fileira 5 / Coluna 4 → 3 (Casa cheia)
70. Fileira 5 / Coluna 5 → 2 (Casa cheia)
71. Fileira 9 / Coluna 7 → 2 (Solteira despida)
72. Fileira 8 / Coluna 7 → 5 (Casa cheia)
73. Fileira 9 / Coluna 3 → 4 (Casa cheia)
74. Fileira 8 / Coluna 2 → 2 (Casa cheia)
75. Fileira 5 / Coluna 3 → 7 (Solteira despida)
76. Fileira 6 / Coluna 8 → 4 (Solteira despida)
77. Fileira 2 / Coluna 8 → 1 (Casa cheia)
78. Fileira 6 / Coluna 2 → 5 (Casa cheia)
79. Fileira 5 / Coluna 1 → 4 (Casa cheia)
80. Fileira 2 / Coluna 2 → 4 (Casa cheia)
81. Fileira 2 / Coluna 9 → 5 (Casa cheia)
82. Fileira 7 / Coluna 3 → 5 (Solteira despida)
83. Fileira 1 / Coluna 3 → 2 (Casa cheia)
84. Fileira 3 / Coluna 1 → 5 (Casa cheia)
85. Fileira 7 / Coluna 1 → 7 (Casa cheia)
86. Fileira 5 / Coluna 7 → 8 (Solteira despida)
87. Fileira 3 / Coluna 7 → 4 (Casa cheia)
88. Fileira 5 / Coluna 9 → 1 (Casa cheia)
89. Fileira 1 / Coluna 9 → 3 (Solteira despida)
90. Fileira 1 / Coluna 5 → 5 (Casa cheia)
91. Fileira 3 / Coluna 5 → 3 (Casa cheia)
92. Fileira 3 / Coluna 9 → 8 (Casa cheia)