C31232233133313221211113313331333133313331212111133133112323132211   >>    C3123223313331322121111331333133313331333121211113313311232313221   <<    C31232233133313221211113313331333133313331212111133133112323132213   >>      C31232233133313221211113313331333133313331212111133133112323132212   >>