1–4
: 1c turn RH | cast off (2c up)
5–16
: 3C R&L (2,1,3)
17–
: ½ Reel4 on 1diag, 1c pass RSh ; ½ Reel4 on 2diag (3x,1x,2x)
25–
: *The Serpentine* : (middle couple always starts inwards) 1c+2c change places EH | 3c+2c (other hand) repeat ; 3c (other hand) +1c repeat, 2c+1c+3c cross RH (2,1,3)