C11111333133313232233133313331333131133132313311211111211113322313233313231111   >>    C1111133313331323223313331333133313113313231331121111121111332231323331323111   <<    C11111333133313232233133313331333131133132313311211111211113322313233313231113   >>      C11111333133313232233133313331333131133132313311211111211113322313233313231112   >>