4cpl longways, 1s and 3s improper
Skip step recommended
A1 Middles face ends, turn R 1 1/2 on the sides
Middles pass LS to start ½ reels of 4 on the sides
A2 Star L in the middle, ends skip CW half way round the outside.
Middles with ends: Do si do up and down.
B1,B2: Iron horse reel: pass through up and down RS, ends chase 1/4 CW round the outside while middles star left 1/4 and pass through across LS
Repeat on other axis
Repeat on original axis
Repeat on other axis.