How to play Circuit Switches
Choose switches that turn the starting lights into the target pattern.
Rules
- Each switch toggles its listed lights: on becomes off, and off becomes on.
- Two selected switches that affect the same light cancel each other there.
- The final lights must match the target exactly.
How to answer
- Toggle switches and watch the current lights change.
- Check your selected switches when the current pattern matches the target.
Solving tips
- Compare the start and target to find which lights need an odd number of toggles.
Practice
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Circuit Switches example 1
Practice example · difficulty 1
Circuit Switches example 2
Practice example · difficulty 3