*2c & 4c start on opp sides*

1-
: 1c+2c & 3c+4c L-Chain. 2c & 3c face respectively up/down (1,2x,3,4x)
9-
: Reels4 on sides
17-
: 1c+2c & 3c+4c R&L. 1M & 4M face out
25-
: 1c & 4c chase cclw ½ to exchanged places **while{4}** 2c+3c RHA ; 4c+2c & 3c+1c LHA ½ | all set (2,4x,1,3x)