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DWG-103.4.02

Nonogram #2 · Expert

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About this puzzle

A 20×20 picture with 222 of its 400 cells filled (56%). The clues contain 132 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 18 of the 40 lines.

The longest block is 17 cells long; the busiest line holds 7 separate blocks.

Where to start

The best opening is row 1 (clue 17 1): on its own it fixes 16 of its 20 cells.

On 20×20, keep a rhythm — overlap, edges, crosses — and revisit a busy line only after its neighbours have changed.

→ Line logic: nonograms and binary grids

The Expert series

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

Other levels: Easy · Medium · Hard