1. 3x3 at (11): (2,3) = 6 inconsistent with (1,1) = 6, (2,3) now [1,3,9] 2. 3x3 at (11): (3,1) = 5 inconsistent with (1,2) = 5, (3,1) now [4,7,8,9,3,1] 3. 3x3 at (11): (3,1) = 7 inconsistent with (2,2) = 7, (3,1) now [4,8,1,9,3] 4. 3x3 at (11): (3,2) = 2 inconsistent with (1,3) = 2, (3,2) now [4,1,9,3] 5. 3x3 at (11): (3,3) = 6 inconsistent with (1,1) = 6, (3,3) now [5,7,1,9,3] 6. 3x3 at (11): (3,3) = 5 inconsistent with (1,2) = 5, (3,3) now [7,1,9,3] 7. 3x3 at (11): (3,3) = 7 inconsistent with (2,2) = 7, (3,3) now [1,9,3] 8. 3x3 at (14): (3,4) = 5 inconsistent with (2,6) = 5, (3,4) now [7,4,9,3] 9. 3x3 at (14): (3,4) = 4 inconsistent with (1,5) = 4, (3,4) now [7,9,3] 10. 3x3 at (14): (3,5) = 2 inconsistent with (2,4) = 2, (3,5) now [5,6,1,7,3] 11. 3x3 at (14): (3,5) = 5 inconsistent with (2,6) = 5, (3,5) now [6,1,7,3] 12. 3x3 at (14): (3,6) = 2 inconsistent with (2,4) = 2, (3,6) now [9,6,1,3] 13. 3x3 at (17): (3,8) = 4 inconsistent with (2,7) = 4, (3,8) now [8,9,1,3] 14. 3x3 at (17): (3,9) = 4 inconsistent with (2,7) = 4, (3,9) now [5,2,6,8,9,3] 15. 3x3 at (41): (4,1) = 8 inconsistent with (6,2) = 8, (4,1) now [5,9,3] 16. 3x3 at (47): (4,9) = 5 inconsistent with (6,7) = 5, (4,9) now [8,9,2,3] 17. 3x3 at (41): (5,1) = 4 inconsistent with (4,3) = 4, (5,1) now [7,1,5,9,3] 18. 3x3 at (41): (5,2) = 4 inconsistent with (4,3) = 4, (5,2) now [2,1,9,3] 19. 3x3 at (41): (5,3) = 6 inconsistent with (4,2) = 6, (5,3) now [7,5,1,9,3] 20. 3x3 at (44): (5,4) = 4 inconsistent with (6,6) = 4, (5,4) now [7,5,9,3] 21. 3x3 at (44): (5,6) = 1 inconsistent with (4,4) = 1, (5,6) now [6,2,9,3] 22. 3x3 at (47): (5,7) = 6 inconsistent with (6,8) = 6, (5,7) now [1,2,9,3] 23. 3x3 at (47): (5,9) = 5 inconsistent with (6,7) = 5, (5,9) now [6,2,4,9,3] 24. 3x3 at (47): (5,9) = 6 inconsistent with (6,8) = 6, (5,9) now [2,4,9,3] 25. 3x3 at (44): (6,5) = 1 inconsistent with (4,4) = 1, (6,5) now [2,7,3] 26. 3x3 at (71): (7,1) = 8 inconsistent with (8,3) = 8, (7,1) now [4,5,7,1,9,3] 27. 3x3 at (71): (7,2) = 2 inconsistent with (9,1) = 2, (7,2) now [4,1,9,3] 28. (5,2) = 1, column insufficiency for [(3,[4,9,3]),(7,[4,9,3]),(8,[4,9,3]),(9,[4,3])] wrt [4,3], (5,2) now [2,9,3] 29. (5,2) = 9, column insufficiency for [(3,[4,1,3]),(7,[4,1,3]),(8,[4,1,3]),(9,[4,3])] wrt [4,3], (5,2) now [2,3] 30. (5,2) = 3, column insufficiency for [(3,[4,1,9]),(7,[4,1,9]),(8,[4,1,9]),(9,[4])] wrt [4], (5,2) now [2] 31. (5,6) = 2 inconsistent with (5,2) = 2, (5,6) now [6,9,3] 32. (5,7) = 2 inconsistent with (5,2) = 2, (5,7) now [1,9,3] 33. (5,9) = 2 inconsistent with (5,2) = 2, (5,9) now [4,9,3] 34. (7,4) = 5, column insufficiency for [(1,[9,3]),(3,[7,9,3]),(5,[9,7,3]),(6,[7,9,3])] wrt [9,3], (7,4) now [4,7,9,3] 35. (5,4) = 7, column insufficiency for [(1,[9,3]),(3,[9,3]),(6,[9,3]),(7,[4,9,3])] wrt [9,3], (5,4) now [5,9,3] 36. (5,4) = 9, column insufficiency for [(1,[3]),(3,[7,3]),(6,[7,3]),(7,[4,7,3])] wrt [3], (5,4) now [5,3] 37. (5,4) = 3, column insufficiency for [(1,[9]),(3,[7,9]),(6,[7,9]),(7,[4,7,9])] wrt [9], (5,4) now [5] 38. 3x3 at (44): (4,5) = 5 inconsistent with (5,4) = 5, (4,5) now [2,3] 39. (4,1) = 9, row insufficiency for [(5,[2,3]),(6,[2,3]),(7,[2,8,3]),(9,[2,8,3])] wrt [2,3], (4,1) now [5,3] 40. (4,1) = 3, row insufficiency for [(5,[2]),(6,[2,9]),(7,[2,8,9]),(9,[2,8,9])] wrt [2], (4,1) now [5] 41. (5,1) = 5 inconsistent with (5,4) = 5, (5,1) now [7,1,9,3] 42. (5,3) = 5 inconsistent with (5,4) = 5, (5,3) now [7,1,9,3] 43. (7,1) = 5 inconsistent with (4,1) = 5, (7,1) now [4,7,1,9,3] 44. (7,3) = 6, column insufficiency for [(2,[1,9,3]),(3,[1,9,3]),(5,[7,1,9,3]),(6,[1,7,9,3]),(9,[3])] wrt [3], (7,3) now [5,7,1,9,3] 45. (7,3) = 7, column insufficiency for [(2,[1,9,3]),(3,[1,9,3]),(5,[1,9,3]),(6,[1,9,3])] wrt [1,9,3], (7,3) now [5,1,9,3] 46. (7,3) = 1, column insufficiency for [(2,[9,3]),(3,[9,3]),(5,[7,9,3]),(6,[7,9,3])] wrt [9,3], (7,3) now [5,9,3] 47. (7,3) = 9, column insufficiency for [(2,[1,3]),(3,[1,3]),(5,[7,1,3]),(6,[1,7,3])] wrt [1,3], (7,3) now [5,3] 48. (7,3) = 3, column insufficiency for [(2,[1,9]),(3,[1,9]),(5,[7,1,9]),(6,[1,7,9])] wrt [1,9], (7,3) now [5] 49. (7,4) = 7, column insufficiency for [(1,[9,3]),(3,[9,3]),(6,[9,3])] wrt [9,3], (7,4) now [4,9,3] 50. (7,4) = 9, column insufficiency for [(1,[3]),(3,[7,3]),(6,[7,3])] wrt [3], (7,4) now [4,3] 51. (7,4) = 3, column insufficiency for [(1,[9]),(3,[7,9]),(6,[7,9])] wrt [9], (7,4) now [4] 52. (7,1) = 4 inconsistent with (7,4) = 4, (7,1) now [7,1,9,3] 53. (7,2) = 4 inconsistent with (7,4) = 4, (7,2) now [1,9,3] 54. (7,5) = 5 inconsistent with (7,3) = 5, (7,5) now [6,2,7,1,3] 55. 3x3 at (74): (7,5) = 6 inconsistent with (8,4) = 6, (7,5) now [2,7,1,3] 56. 3x3 at (74): (7,5) = 7 inconsistent with (8,6) = 7, (7,5) now [2,1,3] 57. 3x3 at (74): (7,5) = 3, insufficiency [(8,4,[6]),(9,6,[6])] wrt [6], (7,5) now [2,1] 58. 3x3 at (74): (7,6) = 6 inconsistent with (8,4) = 6, (7,6) now [9,3,2,1] 59. 3x3 at (74): (7,6) = 9 inconsistent with (9,5) = 9, (7,6) now [3,2,1] 60. 3x3 at (74): (7,6) = 3, insufficiency [(8,4,[6]),(9,6,[6])] wrt [6], (7,6) now [2,1] 61. (7,1) = 1, row insufficiency (7,5) = (7,6) = 2, (7,1) now [7,9,3] 62. (7,2) = 1, row insufficiency (7,5) = (7,6) = 2, (7,2) now [9,3] 63. (7,7) = 1, row insufficiency (7,5) = (7,6) = 2, (7,7) now [6,8,9,3,2] 64. (3,7) = 9, column insufficiency for [(1,[1,3]),(5,[1,3]),(8,[1,3])] wrt [1,3], (3,7) now [2,8,6,1,3] 65. (3,7) = 3, column insufficiency for [(1,[9,1]),(5,[9,1]),(8,[9,1])] wrt [9,1], (3,7) now [2,8,6,1] 66. (4,7) = 9, column insufficiency for [(1,[1,3]),(5,[3,1]),(8,[3,1])] wrt [1,3], (4,7) now [8,2,3] 67. (4,7) = 3, column insufficiency for [(1,[1,9]),(5,[9,1]),(8,[9,1])] wrt [1,9], (4,7) now [8,2] 68. (7,7) = 9, column insufficiency for [(1,[1,3]),(5,[1,3]),(8,[1,3])] wrt [1,3], (7,7) now [6,8,3,2] 69. (3,7) = 1, column insufficiency for [(1,[9,3]),(5,[9,3]),(8,[9,3])] wrt [9,3], (3,7) now [2,8,6] 70. (7,7) = 3, column insufficiency for [(1,[1,9]),(5,[1,9]),(8,[1,9])] wrt [1,9], (7,7) now [6,8,2] 71. (7,7) = 2, row insufficiency (7,5) = (7,6) = 1, (7,7) now [6,8] 72. (7,8) = 4 inconsistent with (7,4) = 4, (7,8) now [9,3,1,8] 73. (5,8) = 1, column insufficiency for [(1,[9,3]),(2,[9,3,8]),(3,[9,3,8]),(7,[9,3,8])] wrt [9,3], (5,8) now [4,9,3] 74. (5,8) = 9, column insufficiency for [(1,[1,3]),(2,[1,3,8]),(3,[1,3,8]),(7,[1,3,8])] wrt [1,3], (5,8) now [4,3] 75. (5,8) = 3, column insufficiency for [(1,[1,9]),(2,[1,9,8]),(3,[1,9,8]),(7,[9,1,8])] wrt [1,9], (5,8) now [4] 76. (5,9) = 4 inconsistent with (5,8) = 4, (5,9) now [9,3] 77. (5,6) = 9, row insufficiency for [(1,[7,1,3]),(3,[3,1,7]),(7,[1,3]),(9,[3])] wrt [3], (5,6) now [6,3] 78. (3,6) = 6, column insufficiency (5,6) = (9,6) = 3, (3,6) now [9,1,3] 79. (3,4) = 3, row insufficiency for [(1,[8,4,1,9]),(2,[4,1,9]),(3,[1,9]),(6,[1,9]),(8,[8,1,9])] wrt [1,9], (3,4) now [7,9] 80. (3,5) = 3, row insufficiency for [(1,[8,4,9,1]),(2,[4,9,1]),(3,[9,1]),(6,[9,1]),(8,[8,9,1])] wrt [9,1], (3,5) now [6,1,7] 81. (3,4) = 9, row insufficiency for [(1,[8,4,1,3]),(2,[4,1,3]),(3,[3,1]),(6,[1,3]),(8,[8,1,3])] wrt [3,1], (3,4) now [7] 82. (3,5) = 7 inconsistent with (3,4) = 7, (3,5) now [6,1] 83. (3,6) = 3, column insufficiency (5,6) = (9,6) = 6, (3,6) now [9,1] 84. (3,7) = 8, row insufficiency for [(1,[4,3,9,1]),(2,[4,3,9,1]),(3,[3,9,1]),(6,[1,9]),(8,[3,9,1])] wrt [1,9], (3,7) now [2,6] 85. (3,7) = 6, row insufficiency for [(1,[8,4,3,9,1]),(2,[4,3,9,1]),(3,[3,9,1]),(5,[1]),(6,[1,9]),(8,[8,3,9,1])] wrt [1], (3,7) now [2] 86. (3,9) = 2 inconsistent with (3,7) = 2, (3,9) now [5,6,8,3,9] 87. (3,9) = 6, row insufficiency for [(1,[4,8,3,9,1]),(2,[4,3,9,1]),(3,[3,9,1]),(5,[1]),(6,[9,1]),(8,[1,9,3,8])] wrt [1], (3,9) now [5,8,3,9] 88. (3,5) = 1, row insufficiency for [(1,[8,4,9,3]),(2,[4,9,3]),(3,[3,9]),(6,[9]),(8,[8,9,3]),(9,[5,8,9,3])] wrt [9], (3,5) now [6] 89. (2,5) = 6 inconsistent with (3,5) = 6, (2,5) now [1,3] 90. (2,9) = 8, row insufficiency for [(1,[9,1,3]),(3,[9,1,3]),(5,[1,3]),(8,[3,1,9])] wrt [1,3], (2,9) now [6,9,3] 91. (2,9) = 9, row insufficiency for [(1,[8,1,3]),(3,[1,3]),(5,[1,3]),(8,[3,1,8])] wrt [1,3], (2,9) now [6,3] 92. (2,9) = 3, row insufficiency for [(1,[8,9,1]),(3,[9,1]),(5,[1]),(8,[1,9,8])] wrt [1], (2,9) now [6] 93. (3,9) = 8, row insufficiency for [(1,[4,3,9,1]),(2,[4,3,9,1]),(3,[3,9,1]),(6,[9,1]),(8,[1,9,3])] wrt [9,1], (3,9) now [5,3,9] 94. (3,9) = 3, row insufficiency for [(1,[4,8,9,1]),(2,[4,9,1]),(3,[9,1]),(6,[9,1]),(8,[1,9,8])] wrt [9,1], (3,9) now [5,9] 95. (3,9) = 9, row insufficiency for [(1,[4,8,3,1]),(2,[4,3,1]),(3,[3,1]),(6,[1]),(8,[1,3,8])] wrt [1], (3,9) now [5] 96. (4,6) = 3, column insufficiency (5,6) = (9,6) = 6, (4,6) now [9,2] 97. (4,7) = 2 inconsistent with (3,7) = 2, (4,7) now [8] 98. (4,9) = 8 inconsistent with (4,7) = 8, (4,9) now [3,9,2] 99. (5,6) = 3, row insufficiency for [(1,[7,9,1]),(3,[1,9,7]),(7,[9,1]),(9,[9])] wrt [9], (5,6) now [6] 100. (6,4) = 7 inconsistent with (3,4) = 7, (6,4) now [9,3] 101. (7,7) = 8 inconsistent with (4,7) = 8, (7,7) now [6] 102. (7,8) = 1, row insufficiency (7,5) = (7,6) = 2, (7,8) now [8,9,3] 103. (7,9) = 4 inconsistent with (7,4) = 4, (7,9) now [5,6,2,8,9,3] 104. (7,9) = 5 inconsistent with (7,3) = 5, (7,9) now [6,2,8,9,3] 105. (7,9) = 6 inconsistent with (7,7) = 6, (7,9) now [2,8,9,3] 106. (7,9) = 2, row insufficiency (7,5) = (7,6) = 1, (7,9) now [8,9,3] 107. (7,1) = 9, row insufficiency for [(2,[3]),(8,[8,3]),(9,[8,3])] wrt [3], (7,1) now [7,3] 108. (7,1) = 3, row insufficiency for [(2,[9]),(8,[8,9]),(9,[8,9])] wrt [9], (7,1) now [7] 109. (5,1) = 7 inconsistent with (7,1) = 7, (5,1) now [1,9,3] 110. (5,3) = 1, row insufficiency for [(1,[3,9]),(7,[9,3]),(9,[9,3])] wrt [3,9], (5,3) now [7,9,3] 111. (5,3) = 9, row insufficiency for [(1,[3,1]),(7,[1,3]),(9,[3])] wrt [3], (5,3) now [7,3] 112. (5,3) = 3, row insufficiency for [(1,[9,1]),(7,[1,9]),(9,[9])] wrt [9], (5,3) now [7] 113. (6,1) = 7 inconsistent with (7,1) = 7, (6,1) now [1,9,3] 114. (6,3) = 7 inconsistent with (5,3) = 7, (6,3) now [1,9,3] 115. (6,5) = 2, row insufficiency for [(1,[1,9,3]),(3,[1,9,3]),(4,[3,9]),(9,[9,3])] wrt [3,9], (6,5) now [7,3] 116. (6,5) = 3, row insufficiency for [(1,[1,9]),(3,[1,9]),(4,[9]),(9,[2,9])] wrt [9], (6,5) now [7] 117. (6,9) = 9, row insufficiency for [(1,[1,3]),(3,[1,3]),(4,[3])] wrt [3], (6,9) now [2,3] 118. (6,9) = 3, row insufficiency for [(1,[1,9]),(3,[1,9]),(4,[9])] wrt [9], (6,9) now [2] 119. (4,9) = 2 inconsistent with (6,9) = 2, (4,9) now [3,9] 120. 3x3 at (47): (5,7) = 9, insufficiency [(4,9,[3]),(5,9,[3])] wrt [3], (5,7) now [1,3] 121. 3x3 at (47): (5,7) = 3, insufficiency [(4,9,[9]),(5,9,[9])] wrt [9], (5,7) now [1] 122. (1,7) = 1 inconsistent with (5,7) = 1, (1,7) now [3,9] 123. (1,8) = 9, row insufficiency (1,4) = (1,7) = 3, (1,8) now [1,3] 124. (1,8) = 3, row insufficiency (1,4) = (1,7) = 9, (1,8) now [1] 125. (2,8) = 1 inconsistent with (1,8) = 1, (2,8) now [8,9,3] 126. (3,8) = 1 inconsistent with (1,8) = 1, (3,8) now [8,3,9] 127. (5,1) = 1 inconsistent with (5,7) = 1, (5,1) now [3,9] 128. (7,9) = 3, column insufficiency (4,9) = (5,9) = 9, (7,9) now [8,9] 129. (7,9) = 9, column insufficiency (4,9) = (5,9) = 3, (7,9) now [8] 130. (7,8) = 8 inconsistent with (7,9) = 8, (7,8) now [3,9] 131. (8,1) = 5 inconsistent with (4,1) = 5, (8,1) now [4,1,3,9] 132. 3x3 at (74): (8,5) = 1, insufficiency [(7,5,[2]),(7,6,[2])] wrt [2], (8,5) now [5,3] 133. 3x3 at (74): (8,5) = 3, insufficiency [(8,4,[6]),(9,6,[6])] wrt [6], (8,5) now [5] 134. (8,7) = 1 inconsistent with (5,7) = 1, (8,7) now [3,9] 135. (8,9) = 5 inconsistent with (8,5) = 5, (8,9) now [4,3,9] 136. (8,9) = 3, column insufficiency (4,9) = (5,9) = 9, (8,9) now [4,9] 137. (8,9) = 9, column insufficiency (4,9) = (5,9) = 3, (8,9) now [4] 138. (8,1) = 4 inconsistent with (8,9) = 4, (8,1) now [1,3,9] 139. (3,1) = 8, column insufficiency for [(2,[1,9,3]),(5,[3,9]),(6,[1,3,9]),(8,[1,3,9])] wrt [3,9], (3,1) now [4,1,3,9] 140. (2,1) = 1, column insufficiency for [(3,[4,3,9]),(5,[3,9]),(6,[3,9]),(8,[3,9])] wrt [3,9], (2,1) now [9,3,8] 141. (2,1) = 9, column insufficiency for [(3,[4,3,1]),(5,[3]),(6,[3,1]),(8,[3,1])] wrt [3], (2,1) now [3,8] 142. (2,1) = 3, column insufficiency for [(3,[4,1,9]),(5,[9]),(6,[1,9]),(8,[1,9])] wrt [9], (2,1) now [8] 143. (2,8) = 8 inconsistent with (2,1) = 8, (2,8) now [9,3] 144. (3,1) = 9, column insufficiency for [(5,[3]),(6,[1,3]),(8,[1,3])] wrt [3], (3,1) now [4,1,3] 145. (3,1) = 1, column insufficiency for [(5,[3,9]),(6,[3,9]),(8,[3,9])] wrt [3,9], (3,1) now [4,3] 146. (3,1) = 3, column insufficiency for [(5,[9]),(6,[9,1]),(8,[9,1])] wrt [9], (3,1) now [4] 147. (3,2) = 4 inconsistent with (3,1) = 4, (3,2) now [1,9,3] 148. (3,8) = 3, row insufficiency for [(2,[1,9]),(3,[1,9]),(6,[9,1])] wrt [1,9], (3,8) now [8,9] 149. (3,8) = 9, row insufficiency for [(2,[3,1]),(3,[3,1]),(6,[1])] wrt [1], (3,8) now [8] 150. (8,2) = 4 inconsistent with (8,9) = 4, (8,2) now [1,9,3] 151. (9,2) = 3, row insufficiency (9,3) = (9,6) = 6, (9,2) now [4] 152. (9,3) = 3, column insufficiency for [(2,[1,9]),(3,[1,9]),(6,[1,9])] wrt [1,9], (9,3) now [6] 153. (9,6) = 6 inconsistent with (9,3) = 6, (9,6) now [3] 154. (2,3) = 3, results in row insufficiency for [(2,[1,9]),(3,[1,9]),(6,[9])] wrt [9] in row 3 155. (3,3) = 9 results in inconsistency (6,3) = 3 = (6,4) ... row/column uniqueness of 2 means (4,5) must be 2 ... in 3x3 at (14): 9 occurs uniquely, (1,4) = [3,9] now 9 156. (2,5) = 3 results in inconsistency (7,2) = 3 = (7,8) ... row/column uniqueness of 2 means (7,6) must be 2 ... in 3x3 at (11): 9 occurs uniquely, (3,2) = [1,3,9] now 9 157. 3x3 at (14): (1,4) = 9, insufficiency [(2,5,[1]),(3,6,[1])] wrt [1], (1,4) now [3] 158. (1,7) = 3 inconsistent with (1,4) = 3, (1,7) now [9] 159. (2,3) = 1 inconsistent with (2,5) = 1, (2,3) now [9] 160. (2,8) = 9 inconsistent with (2,3) = 9, (2,8) now [3] 161. 3x3 at (11): (3,2) = 9 inconsistent with (2,3) = 9, (3,2) now [3,1] 162. (3,6) = 1, row insufficiency (3,2) = (3,3) = 3, (3,6) now [9] 163. (4,5) = 2, column insufficiency (2,5) = (7,5) = 1, (4,5) now [3] 164. (4,6) = 9 inconsistent with (3,6) = 9, (4,6) now [2] 165. (4,9) = 3 inconsistent with (4,5) = 3, (4,9) now [9] 166. (5,9) = 9 inconsistent with (4,9) = 9, (5,9) now [3] 167. (5,1) = 3 inconsistent with (5,9) = 3, (5,1) now [9] 168. (6,1) = 9 inconsistent with (5,1) = 9, (6,1) now [1,3] 169. (6,3) = 9 inconsistent with (2,3) = 9, (6,3) now [1,3] 170. (6,4) = 3 inconsistent with (1,4) = 3, (6,4) now [9] 171. (7,5) = 1 inconsistent with (2,5) = 1, (7,5) now [2] 172. (7,6) = 2 inconsistent with (7,5) = 2, (7,6) now [1] 173. (7,8) = 3 inconsistent with (2,8) = 3, (7,8) now [9] 174. (7,2) = 9 inconsistent with (7,8) = 9, (7,2) now [3] 175. (3,2) = 3 inconsistent with (7,2) = 3, (3,2) now [1] 176. (3,3) = 1 inconsistent with (3,2) = 1, (3,3) now [3] 177. (6,3) = 3 inconsistent with (3,3) = 3, (6,3) now [1] 178. (6,1) = 1 inconsistent with (6,3) = 1, (6,1) now [3] 179. (8,1) = 9 inconsistent with (5,1) = 9, (8,1) now [3,1] 180. (8,1) = 3 inconsistent with (6,1) = 3, (8,1) now [1] 181. (8,2) = 1 inconsistent with (8,1) = 1, (8,2) now [9,3] 182. (8,2) = 3 inconsistent with (7,2) = 3, (8,2) now [9] 183. (8,7) = 9 inconsistent with (8,2) = 9, (8,7) now [3]