Binary Puzzle

A MOVING-DEFECT XOR PUZZLE

Follow the pulse. Decode the cascade.

Each row follows toroidal XOR, except the marked pulse cell flips. The visible pulse drifts at most one column per row.

Pulse Cascade 8 × 8 Medium 0 conflicts

New cascade

Choose your cascade

QUICK GUIDE

XOR, then follow the pulse

Normally equal parents make 0 and mixed parents make 1. A marked pulse cell flips that answer: 0 becomes 1 and 1 becomes 0. With any two values in a triangle known, the third follows.
✓

Cascade solved!