1) E % 3 R 5 # A 6 B I J @ 2 9 H U 4 © M 1 F 7 $ W 8 P N D ======> 4 U © .....left and middle exchanged their places
2) E % 3 R 5 # A 6 B I J @ 2 9 H U 4 © M 1 F 7 $ W 8 P N D=======>8 W P .....left and middle exchanged their places
3) E % 3 R 5 # A 6 B I J @ 2 9 H U 4 © M 1 F 7 $ W 8 P N D ====== >6 B A ....left,right,middle
exchanged their places-----not form group
4) E % 3 R 5 # A 6 B I J @ 2 9 H U 4 © M 1 F 7 $ W 8 P N D=======> R 3 5......left and middle exchanged their places
5) E % 3 R 5 # A 6 B I J @ 2 9 H U 4 © M 1 F 7 $ W 8 P N D========>H 9 U .....left and middle exchanged their places