AbraCalc

Binary Grid — 0 and 1 Logic Puzzle

Fill a 6x6 grid with 0s and 1s: no three in a row, equal counts per row/col.

Fill the grid: no 3-in-a-row, equal 0s and 1s per row/column.
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How to play

  1. Click any empty cell to place a 0, click again for 1, click again to clear.
  2. Each row and column must have exactly 3 zeros and 3 ones.
  3. No three consecutive identical digits are allowed in any row or column.
  4. Pre-filled (gray) cells are fixed clues — you cannot change them.
  5. Click 'Check' to see if your solution is correct.

Fill the 6x6 grid with 0s and 1s. Rules: no three identical digits in a row or column, and each row and column must have exactly three 0s and three 1s. Click a cell to cycle through 0 / 1 / empty.

Frequently asked questions

What are the rules?
No three consecutive same digits in any row or column. Each row and column must contain exactly half 0s and half 1s.
How do I cycle between 0, 1, and empty?
Click a cell to cycle: empty → 0 → 1 → empty.