3c & 4c start on opposite sides
1-8
1c+2c & 3c+4c Circle4 L ; 1c & 4c turn P RH ½, face P | cast R to exchanged places while{4} 2c+3c set | dance in to meet P, out to between nearest ends and pivot to finish BtoB 2c facing own sides, 3c facing opposite sides
9-16
Reels4 across. On [15-16] 2c & 3c turn P LH ½ and face out the end
17-24
2c & 3c lead out the end, cross and cast inwards (to 1x,2x,3,4) ; 2c+3c ½ R&L (1x,3x,2,4)
25-32
1c+3c & 2c+4c set diagonally | Petronella turn 1 place cclw ; repeat [25-28] (3,1,4x,2x)