C31232233133313221211113313331333133313331212111133132321131221   >>    C3123223313331322121111331333133313331333121211113313232113122   <<    C31232233133313221211113313331333133313331212111133132321131223   >>      C31232233133313221211113313331333133313331212111133132321131222   >>