Scoot the Triangle

This is analogous to Scoot the Diamond. From a wave-based triangle, do a 1/4-tag type of Scoot Back (the base looking out just flips over to the other base position), the apex quarters to handhold, and all Triangle Circulate.

\pstriangle{g2n,b1n,g1s} \pstriangle{b1w,g2n,g1s}
2 1 1 1 2 1
before Scoot the Triangle after