The Courtyard, Tower 8 of 25

Tower 8 of 25 · The Courtyard · Old Town · standard wiring
switches 12 · par 4 ★☆☆
Turn on the Lights! You used 12 switches; par is 4. A tidier answer is hiding in there.

This tower can be lit in 4 different ways; the best of them take 4 switches.

One snapshot per switch, in the original viewer.