C31232233133313221211113313331333132313331322121111133112133221   >>    C3123223313331322121111331333133313231333132212111113311213322   <<    C31232233133313221211113313331333132313331322121111133112133223   >>      C31232233133313221211113313331333132313331322121111133112133222   >>