*3c & 4c start on opposite side (1,2,3x,4x)*

1–
: 1c & 4c &frac12; Fig8 through 2c/3c ; cross RH | cast inwards (2c & 3c out) to (2,1,4x,3x)
9–
: 1W & 4W cross over **while** 1M & 4M dance down/up side | all turn corner RH, retain RH & join LH in centre | BiL
17–
: 1c & 4c dance to next corner cclw | repeat [11–16]
25–40
: Repeat with next two corners (2,1,4x,3x)
41–
: 1c & 4c cross LH out nearest end | cast in ; change pl RH on sides | all set (2,4,1x,3x)