C31232233133313221211113313331333133313331212111133132322121331221   >>    C3123223313331322121111331333133313331333121211113313232212133122   <<    C31232233133313221211113313331333133313331212111133132322121331223   >>      C31232233133313221211113313331333133313331212111133132322121331222   >>