Deduza

2026-10-17

Solutions · Lights

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Easy · 6×6

🏢 Lights · Easy #3

You lived at: Leaky Ceiling Heights

🦉 How to solve it
  1. B1 and C1 match side by side: the ends get the opposite (A1 and D1).
  2. B2 and C2 match side by side: the ends get the opposite (A2 and D2).
  3. A1 and A2 match side by side: the ends get the opposite (A3).
  4. A3 and A4 match side by side: the ends get the opposite (A5).
  5. B1 and B2 match side by side: the ends get the opposite (B3).
  6. C1 and C2 match side by side: the ends get the opposite (C3).
  7. B3 and C3 match side by side: the ends get the opposite (D3).
  8. D3 and F3 match with a gap between: E3 is the opposite.
  9. D3 and D5 match with a gap between: D4 is the opposite.
  10. The clue between D2 and E2 decides the other window: E2.
  11. D2 and E2 match side by side: the ends get the opposite (F2).
  12. E2 and E3 match side by side: the ends get the opposite (E1 and E4).
  13. F2 and F3 match side by side: the ends get the opposite (F1 and F4).
  14. E4 and E6 match with a gap between: E5 is the opposite.
  15. The clue between C5 and C6 decides the other window: C4.
  16. C4 and D4 match side by side: the ends get the opposite (B4).
  17. C3 and C4 match side by side: the ends get the opposite (C5).
  18. C5 and D5 match side by side: the ends get the opposite (B5).
  19. The clue between C3 and C4 decides the other window: C6.
  20. The clue between B6 and C6 decides the other window: B6.
  21. B6 and C6 match side by side: the ends get the opposite (A6 and D6).
  22. D6 and E6 match side by side: the ends get the opposite (F6).
  23. F4 and F6 match with a gap between: F5 is the opposite.
Medium · 8×8

🏢 Lights · Medium #3

You lived at: Extra Fee Heights

🦉 How to solve it
  1. The clue between G7 and H7 decides the other window: F4.
  2. E4 and F4 match side by side: the ends get the opposite (D4 and G4).
  3. The clue between C1 and D1 decides the other window: C4.
  4. The clue between G5 and G6 is "=" and sits next to D4: matching it would make three in a row, so the pair is the opposite.
  5. D2 and D3 match side by side: the ends get the opposite (D1).
  6. The clue between D2 and D3 decides the other window: C1.
  7. The clue between C1 and C2 decides the other window: C2.
  8. C2 and D2 match side by side: the ends get the opposite (B2 and E2).
  9. C1 and C2 match side by side: the ends get the opposite (C3).
  10. Column C already has half its windows dark: the rest are lit.
  11. B8 and C8 match side by side: the ends get the opposite (A8 and D8).
  12. A5 and C5 match with a gap between: B5 is the opposite.
  13. The clue between G7 and G8 decides the other window: E8.
  14. Column D already has half its windows dark: the rest are lit.
  15. C6 and D6 match side by side: the ends get the opposite (B6 and E6).
  16. B5 and B6 match side by side: the ends get the opposite (B4 and B7).
  17. B2 and B4 match with a gap between: B3 is the opposite.
  18. E4 and E6 match with a gap between: E5 is the opposite.
  19. Column B already has half its windows lit: the rest are dark.
  20. B1 and C1 match side by side: the ends get the opposite (A1).
  21. The clue between D8 and E8 is "=" and sits next to G4: matching it would make three in a row, so the pair is the opposite.
  22. G5 and G6 match side by side: the ends get the opposite (G7).
  23. E6 and G6 match with a gap between: F6 is the opposite.
  24. The clue between F2 and G2 decides the other window: H7.
  25. The clue between C4 and D4 decides the other window: G8.
  26. E8 and G8 match with a gap between: F8 is the opposite.
  27. Row 8 already has half its windows lit: the rest are dark.
  28. H7 and H8 match side by side: the ends get the opposite (H6).
  29. Row 6 already has half its windows lit: the rest are dark.
  30. A6 and A8 match with a gap between: A7 is the opposite.
  31. Row 7 already has half its windows lit: the rest are dark.
  32. Column G already has half its windows lit: the rest are dark.
  33. The clue between E4 and F4 decides the other window: F2.
  34. Row 3 already has half its windows dark: the rest are lit.
  35. E2 and E3 match side by side: the ends get the opposite (E1).
  36. F2 and F3 match side by side: the ends get the opposite (F1).
  37. Row 1 already has half its windows dark: the rest are lit.
  38. H1 and H3 match with a gap between: H2 is the opposite.
  39. Row 2 already has half its windows dark: the rest are lit.
  40. Column A already has half its windows lit: the rest are dark.
  41. Row 4 already has half its windows dark: the rest are lit.
  42. H3 and H4 match side by side: the ends get the opposite (H5).
  43. G5 and H5 match side by side: the ends get the opposite (F5).
Hard · 10×10

🏢 Lights · Hard #3

You lived at: Missing Mop Terrace

🦉 How to solve it
  1. C6 and C7 match side by side: the ends get the opposite (C5 and C8).
  2. C4 and C5 match side by side: the ends get the opposite (C3).
  3. The clue between I1 and J1 decides the other window: J1.
  4. The clue between G7 and G8 decides the other window: J2.
  5. J2 and J3 match side by side: the ends get the opposite (J4).
  6. The clue between C1 and C2 is "=" and sits next to C3: matching it would make three in a row, so the pair is the opposite.
  7. Column C already has half its windows lit: the rest are dark.
  8. C10 and D10 match side by side: the ends get the opposite (B10 and E10).
  9. The clue between J1 and J2 is "=" and sits next to J4: matching it would make three in a row, so the pair is the opposite.
  10. J5 and J6 match side by side: the ends get the opposite (J7).
  11. Column J already has half its windows lit: the rest are dark.
  12. The clue between J5 and J6 is "=" and sits next to C8: matching it would make three in a row, so the pair is the opposite.
  13. D8 and E8 match side by side: the ends get the opposite (F8).
  14. D8 and D10 match with a gap between: D9 is the opposite.
  15. The clue between H3 and H4 decides the other window: F7.
  16. F7 and F8 match side by side: the ends get the opposite (F6 and F9).
  17. F9 and H9 match with a gap between: G9 is the opposite.
  18. The clue between F7 and F8 is "=" and sits next to G9: matching it would make three in a row, so the pair is the opposite.
  19. G7 and G8 match side by side: the ends get the opposite (G6).
  20. The clue between I9 and I10 decides the other window: G5.
  21. Row 8 already has half its windows dark: the rest are lit.
  22. B8 and B10 match with a gap between: B9 is the opposite.
  23. B9 and C9 match side by side: the ends get the opposite (A9).
  24. The clue between D8 and E8 is "=" and sits next to H2: matching it would make three in a row, so the pair is the opposite.
  25. H3 and H4 match side by side: the ends get the opposite (H5).
  26. G5 and H5 match side by side: the ends get the opposite (F5 and I5).
  27. H3 and J3 match with a gap between: I3 is the opposite.
  28. The clue between G5 and G6 decides the other window: F4.
  29. Trying every valid way to finish column F, F10 can only go one way.
  30. Trying every valid way to finish row 10, A10 can only go one way.
  31. Trying every valid way to finish column I, I6 and I7 can only go one way.
  32. I7 and J7 match side by side: the ends get the opposite (H7).
  33. H7 and H8 match side by side: the ends get the opposite (H6).
  34. Trying every valid way to finish row 7, A7 and B7 can only go one way.
  35. B7 and B8 match side by side: the ends get the opposite (B6).
  36. B6 and C6 match side by side: the ends get the opposite (A6 and D6).
  37. A6 and A7 match side by side: the ends get the opposite (A5).
  38. Row 6 already has half its windows dark: the rest are lit.
  39. Trying every valid way to finish column A, A1, A2, A3 and A4 can only go one way.
  40. Trying every valid way to finish row 4, B4, D4 and E4 can only go one way.
  41. D2 and D4 match with a gap between: D3 is the opposite.
  42. E4 and E6 match with a gap between: E5 is the opposite.
  43. Trying every valid way to finish row 3, B3 can only go one way.
  44. Trying every valid way to finish column B, B5 can only go one way.
  45. Row 5 already has half its windows dark: the rest are lit.
  46. D5 and D6 match side by side: the ends get the opposite (D7).
  47. C7 and D7 match side by side: the ends get the opposite (E7).
  48. Column D already has half its windows dark: the rest are lit.
  49. C1 and D1 match side by side: the ends get the opposite (B1 and E1).
  50. B1 and B3 match with a gap between: B2 is the opposite.
  51. Trying every valid way to finish column E, E9 can only go one way.
  52. Row 9 already has half its windows dark: the rest are lit.
  53. I8 and I9 match side by side: the ends get the opposite (I10).
  54. I10 and J10 match side by side: the ends get the opposite (H10).
  55. Row 10 already has half its windows dark: the rest are lit.
  56. Column H already has half its windows lit: the rest are dark.
  57. Row 1 already has half its windows dark: the rest are lit.
  58. Trying every valid way to finish column G, G2 can only go one way.
  59. G2 and H2 match side by side: the ends get the opposite (F2 and I2).
  60. F1 and F2 match side by side: the ends get the opposite (F3).
  61. Row 2 already has half its windows lit: the rest are dark.
  62. E1 and E2 match side by side: the ends get the opposite (E3).
  63. Row 3 already has half its windows lit: the rest are dark.
  64. G2 and G3 match side by side: the ends get the opposite (G4).
  65. G4 and H4 match side by side: the ends get the opposite (I4).
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