C111112111133131121133133313331333132213331333132313233313231323222331   >>    C11111211113313112113313331333133313221333133313231323331323132322233   <<    C111112111133131121133133313331333132213331333132313233313231323222333   >>      C111112111133131121133133313331333132213331333132313233313231323222332   >>