The Last Seven, Tower 25 of 25

Tower 25 of 25 · The Last Seven · 7107 Plaza · standard wiring
switches 7 · par 5 ★☆☆
Turn on the Lights! You used 7 switches; par is 5. A tidier answer is hiding in there.

This sign can be lit in 8 different ways; the best of them take 5 switches.

This picture as a command file · How it works

One snapshot per switch, in the original viewer.