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How to play Binary

Just 0s and 1s, but they have to be perfectly balanced.

The rules

  1. Fill every square with 0 or 1.
  2. No more than two of the same digit next to each other in a row or column.
  3. Each row and each column has as many 0s as 1s.
  4. No two rows are the same, and no two columns are the same.

A quick example

Two 0s side by side force a 1 next to them.

Tips

Most puzzles take 3 to 10 minutes.

Play Binary free in Numalo

Numalo is 28 number games for iPhone, iPad and Mac. Every puzzle is made on your device and proven to have exactly one answer. No ads, no subscription.

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