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DWG-103.3.03

Nonogram #3 · Hard

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About this puzzle

A 15×15 picture with 145 of its 225 cells filled (64%). The clues contain 62 blocks in total, and every one of them can be placed by line logic alone.

Before you mark anything, the overlap rule already settles cells in 21 of the 30 lines.

2 lines are filled from end to end.

The longest block is 15 cells long; the busiest line holds 4 separate blocks.

Where to start

The best opening is row 3 (clue 2 4 4 2): on its own it fixes 15 of its 15 cells.

Work in passes: all rows, then all columns. Each pass turns a few more short clues into fixed cells.

→ Line logic: nonograms and binary grids

The Hard series

  1. #1
  2. #2
  3. #3
  4. #4
  5. #5
  6. #6
  7. #7
  8. #8
  9. #9

Other levels: Easy · Medium · Expert