1c & 4c turn RH | cast inwards (2c & 3c to ends) ; cross LH | cast round cnrs to lines of 4 across, 1c/4c between 2c/3c

All set facing down/up | change pl RH ; 4c & 1c cast round cnrs | pass LSh in centre (as ½ LHA) to face original pl while{4} 3c & 2c cross LH | set facing in diagonally

1c & 4c turn cnrs RH | 1c+4c ½ LHA while{2} cnrs dance to next cnr clw ; repeat [17-20] from new places, 1c & 4c end on sides (2,1,4,3), 1M & 4W face out

1M, followed by P, casts off, crosses below 3c, casts up & crosses to 3pl while{8} 4W, followed by P dances similarly up round 2c to 2pl (2,4,1,3)