Logic Puzzle Club

Nonograms of the week: week 1

The full logical solve of the hard nonogram for September 1 to September 7, 2026, 20 × 20. 120 steps, 3 techniques, no guessing. Step through it, or jump to any step below.

Overlap. Row 4 has the clue 4 14. Push its blocks as far one way as they go and then the other way. 16 cells are covered both times, so they are filled.
Step 1 of 120

Every step

  1. Row 4 has the clue 4 14. Push its blocks as far one way as they go and then the other way. 16 cells are covered both times, so they are filled.

  2. Row 14 has the clue 1 7 9. Push its blocks as far one way as they go and then the other way. 14 cells are covered both times, so they are filled.

  3. Row 3 has the clue 10 7. Push its blocks as far one way as they go and then the other way. 13 cells are covered both times, so they are filled.

  4. Row 5 has the clue 3 13. Push its blocks as far one way as they go and then the other way. 10 cells are covered both times, so they are filled.

  5. Row 13 has the clue 2 11 2. Push its blocks as far one way as they go and then the other way. 8 cells are covered both times, so they are filled.

  6. Column 1 has the clue 5 10. Push its blocks as far one way as they go and then the other way. 7 cells are covered both times, so they are filled.

  7. Row 6 has the clue 3 3 8. Push its blocks as far one way as they go and then the other way. 4 cells are covered both times, so they are filled.

  8. Column 17 has the clue 10 3. Push its blocks as far one way as they go and then the other way. 4 cells are covered both times, so they are filled.

  9. Column 2 has the clue 6 3 5. Push its blocks as far one way as they go and then the other way. 3 cells are covered both times, so they are filled.

  10. Column 18 has the clue 10 2. Push its blocks as far one way as they go and then the other way. 3 cells are covered both times, so they are filled.

  11. Column 9 has the clue 6 7 1. Push its blocks as far one way as they go and then the other way. 2 cells are covered both times, so they are filled.

  12. Column 10 has the clue 5 7 2. Push its blocks as far one way as they go and then the other way. 2 cells are covered both times, so they are filled.

  13. Row 9 has the clue 2 7 3. Push its blocks as far one way as they go and then the other way. One cell is covered both times, so it is filled.

  14. Row 12 has the clue 2 8 1. Push its blocks as far one way as they go and then the other way. One cell is covered both times, so it is filled.

  15. In column 14, clue 1 7 2, the marked cells pin the blocks. Every way the clue still fits fills 4 cells and leaves 10 cells empty.

  16. Row 15 has the clue 1 5 6. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 6 cells are covered both times, so they are filled.

  17. Row 11 has the clue 2 7. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 3 cells are covered both times, so they are filled.

  18. Row 12 has the clue 2 8 1. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 3 cells are covered both times, so they are filled.

  19. In column 15, clue 6 2, the marked cells pin the blocks. Every way the clue still fits leaves 10 cells empty.

  20. Row 13 has the clue 2 11 2. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 4 cells are covered both times, so they are filled.

  21. Row 9 has the clue 2 7 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  22. In column 13, clue 7 2, the marked cells pin the blocks. Every way the clue still fits fills 1 cell and leaves 8 cells empty.

  23. Row 12 has the clue 2 8 1. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  24. Row 11 has the clue 2 7. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  25. In column 6, clue 2 6, the marked cells pin the blocks. Every way the clue still fits leaves 9 cells empty.

  26. Row 5 has the clue 3 13. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 3 cells are covered both times, so they are filled.

  27. Row 6 has the clue 3 3 8. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 3 cells are covered both times, so they are filled.

  28. In column 19, clue 8 3, the marked cells pin the blocks. Every way the clue still fits fills 3 cells and leaves 5 cells empty.

  29. Row 20 has the clue 3 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 3 cells are covered both times, so they are filled.

  30. In column 3, clue 7 3, the marked cells pin the blocks. Every way the clue still fits fills 3 cells and leaves 8 cells empty.

  31. Row 10 has the clue 6 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 3 cells are covered both times, so they are filled.

  32. Row 14 has the clue 1 7 9. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  33. Row 14 already has every block of its clue, 1 7 9. Its other 2 cells are empty.

  34. Column 2 has the clue 6 3 5. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 3 cells are covered both times, so they are filled.

  35. Row 11 has the clue 2 7. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  36. Row 15 has the clue 1 5 6. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  37. In row 17, clue 2, the marked cells pin the blocks. Every way the clue still fits fills 1 cell and leaves 12 cells empty.

  38. Column 7 has the clue 4 7. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  39. Column 10 has the clue 5 7 2. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  40. Column 18 has the clue 10 2. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  41. In row 7, clue 4 3 3, the marked cells pin the blocks. Every way the clue still fits fills 2 cells and leaves 7 cells empty.

  42. Column 11 has the clue 2 5 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 6 cells are covered both times, so they are filled.

  43. Column 11 already has every block of its clue, 2 5 3. Its other 7 cells are empty.

  44. Row 2 has the clue 3 3 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  45. Row 3 has the clue 10 7. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  46. Row 15 has the clue 1 5 6. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  47. Column 9 has the clue 6 7 1. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  48. Column 10 has the clue 5 7 2. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  49. Row 1 has the clue 1 2 5. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  50. Row 6 has the clue 3 3 8. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  51. Column 8 has the clue 5 8. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  52. In row 18, clue 5 1, the marked cells pin the blocks. Every way the clue still fits fills 3 cells and leaves 9 cells empty.

  53. Column 16 has the clue 6 1 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  54. In row 19, clue 4 3, the marked cells pin the blocks. Every way the clue still fits fills 1 cell and leaves 6 cells empty.

  55. In row 11, clue 2 7, the marked cells pin the blocks. Every way the clue still fits leaves 6 cells empty.

  56. Column 17 has the clue 10 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  57. Column 18 has the clue 10 2. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  58. Column 18 already has every block of its clue, 10 2. Its other 4 cells are empty.

  59. Column 19 has the clue 8 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  60. In column 5, clue 3 5 1, the marked cells pin the blocks. Every way the clue still fits leaves 6 cells empty.

  61. Row 7 has the clue 4 3 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  62. Row 9 has the clue 2 7 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  63. Row 19 has the clue 4 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  64. Row 20 has the clue 3 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  65. In column 1, clue 5 10, the marked cells pin the blocks. Every way the clue still fits fills 2 cells and leaves 4 cells empty.

  66. Row 2 has the clue 3 3 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  67. Row 9 has the clue 2 7 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  68. In row 8, clue 3 1 3 3, the marked cells pin the blocks. Every way the clue still fits fills 4 cells and leaves 2 cells empty.

  69. Column 2 already has every block of its clue, 6 3 5. Its other 5 cells are empty.

  70. Column 3 already has every block of its clue, 7 3. Its other 2 cells are empty.

  71. Row 2 has the clue 3 3 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  72. Row 9 has the clue 2 7 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  73. In column 4, clue 3 3 3 2, the marked cells pin the blocks. Every way the clue still fits leaves 6 cells empty.

  74. Row 20 has the clue 3 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  75. Column 1 already has every block of its clue, 5 10. Its other 1 cell is empty.

  76. In column 12, clue 6 2 2, the marked cells pin the blocks. Every way the clue still fits fills 1 cell and leaves 4 cells empty.

  77. Row 11 has the clue 2 7. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  78. Row 12 has the clue 2 8 1. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  79. Column 4 already has every block of its clue, 3 3 3 2. Its other 1 cell is empty.

  80. Row 15 has the clue 1 5 6. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  81. Column 9 already has every block of its clue, 6 7 1. Its other 3 cells are empty.

  82. Row 19 has the clue 4 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  83. In column 12, clue 6 2 2, the marked cells pin the blocks. Every way the clue still fits fills 3 cells and leaves 4 cells empty.

  84. Row 20 already has every block of its clue, 3 4. Its other 5 cells are empty.

  85. Row 7 already has every block of its clue, 4 3 3. Its other 1 cell is empty.

  86. Column 15 has the clue 6 2. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  87. Row 2 already has every block of its clue, 3 3 4. Its other 4 cells are empty.

  88. Column 15 already has every block of its clue, 6 2. Its other 1 cell is empty.

  89. Column 7 has the clue 4 7. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 2 cells are covered both times, so they are filled.

  90. Row 5 already has every block of its clue, 3 13. Its other 2 cells are empty.

  91. Row 6 already has every block of its clue, 3 3 8. Its other 2 cells are empty.

  92. Row 10 has the clue 6 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  93. Column 6 already has every block of its clue, 2 6. Its other 3 cells are empty.

  94. Row 4 has the clue 4 14. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  95. Row 4 already has every block of its clue, 4 14. Its other 1 cell is empty.

  96. Row 9 has the clue 2 7 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  97. Column 5 has the clue 3 5 1. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  98. Column 10 has the clue 5 7 2. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  99. Row 1 already has every block of its clue, 1 2 5. Its other 5 cells are empty.

  100. Column 19 has the clue 8 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  101. Row 9 already has every block of its clue, 2 7 3. Its other 3 cells are empty.

  102. Column 7 has the clue 4 7. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  103. Column 7 already has every block of its clue, 4 7. Its other 1 cell is empty.

  104. Column 20 has the clue 1 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  105. In row 13, clue 2 11 2, the marked cells pin the blocks. Every way the clue still fits fills 1 cell and leaves 2 cells empty.

  106. Column 19 already has every block of its clue, 8 3. Its other 1 cell is empty.

  107. Row 16 has the clue 2 2 2. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. 3 cells are covered both times, so they are filled.

  108. Row 16 already has every block of its clue, 2 2 2. Its other 3 cells are empty.

  109. Column 8 already has every block of its clue, 5 8. Its other 1 cell is empty.

  110. Column 17 already has every block of its clue, 10 3. Its other 1 cell is empty.

  111. Row 8 has the clue 3 1 3 3. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  112. Column 10 already has every block of its clue, 5 7 2. Its other 1 cell is empty.

  113. Row 15 has the clue 1 5 6. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  114. Column 5 already has every block of its clue, 3 5 1. Its other 1 cell is empty.

  115. Column 20 has the clue 1 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  116. Column 20 already has every block of its clue, 1 4. Its other 2 cells are empty.

  117. Row 12 already has every block of its clue, 2 8 1. Its other 1 cell is empty.

  118. Row 3 has the clue 10 7. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.

  119. Column 13 already has every block of its clue, 7 2. Its other 1 cell is empty.

  120. Row 10 has the clue 6 4. Push its blocks as far one way as they go, with the crossed cells as walls, and then the other way. One cell is covered both times, so it is filled.