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Free printables

Free printable Binairo with answers

Binairo, also called Takuzu or a binary puzzle, is a grid you fill with 0s and 1s. No three of the same digit may sit together in a line, each row and column holds as many 0s as 1s, and no two rows and no two columns match. Every puzzle here is proved to solve by logic alone, with no guessing.

By size

Size is what makes a Binairo harder: a bigger grid has more lines to keep balanced at once. Start on a 6 by 6 and work up to a 12 by 12.

By name and audience

The same puzzle goes by several names, and suits several solvers. Takuzu, a binary puzzle, or a gentle grid for a child or a beginner, they all solve the same way.

One answer, proved by logic

The thing that makes a Binairo book worth printing is the guarantee most sellers cannot make: that the givens have exactly one completion, reachable without guessing. Every puzzle is generated by building a legal grid, carving clues away, and running a solver that proves the deductions alone finish it. The completed grid prints as the answer key, so it can never disagree with the givens.

Make one now

Pick a size from a gentle 6 by 6 up to a 14 by 14, then print the puzzle and its answer. No sign-up, no watermark.

Make a Binairo book to sell on KDP

Hundreds of graded binary-logic puzzles, any KDP trim, print-ready PDFs. Start free.