Starting formation - Columns.
#1 dancer: 1/2 Split Circulate and Phantom formation Circulate 2.
#2 dancer: Circulate, 1/2 Split Circulate, and Phantom formation Circulate.
#3 dancer: Circulate 2 & 1/2.
#4 dancer: Circulate 3.
All adjust as necessary to end in the given formation.