Zombies in Brattleboro 
double improper, double progression  
by Zoë Madonna- 2015

A1: Balance ring of four, spin right
    Balance ring of four, spin right and face new neighbors (progression 1)

A2: Balance and swing new N, end facing down

B1: Down the hall about 4 steps. 1s (in center) make an arch and pop lady 2
    through to gent 2. 
    All swing partners [finish facing up]

B2: Come back up the hall, bend line to a ring.
    Circle left 3/4
    California twirl (no balance - progression 2)