C31232233133313221211113313331311331333133313331323132322331211   >>    C3123223313331322121111331333131133133313331333132313232233121   <<    C31232233133313221211113313331311331333133313331323132322331213   >>      C31232233133313221211113313331311331333133313331323132322331212   >>