The Steps, Tower 6 of 25

Tower 6 of 25 · The Steps · Old Town · standard wiring
switches 4 · par 2 ★★★
Turn on the Lights! You used 4 switches; par is 2. A tidier answer is hiding in there.

This tower can be lit in 4 different ways; the best of them take 2 switches.

This picture as a command file · How it works

One snapshot per switch, in the original viewer.