The Looking Glass, Tower 12 of 25

Tower 12 of 25 · The Looking Glass · Crosswire Court · crossed wiring
switches 0 · par 5
You lit a tower like this on Main Street. With crossed wires the answer changes shape.

A bright frame marks a flipped switch. Flip it again to take it back; your browser's Back button undoes a move too.

This picture as a command file · How it works