C31232233133313221211113313331333133313331212111133133313111133112113211   >>    C3123223313331322121111331333133313331333121211113313331311113311211321   <<    C31232233133313221211113313331333133313331212111133133313111133112113213   >>      C31232233133313221211113313331333133313331212111133133313111133112113212   >>