C31232233133313221211113313331333133313113311331333133323132313233313231111   >>    C3123223313331322121111331333133313331311331133133313332313231323331323111   <<    C31232233133313221211113313331333133313113311331333133323132313233313231113   >>      C31232233133313221211113313331333133313113311331333133323132313233313231112   >>