C111112111133131121133133313331333131333132322331333132312323131122231   >>    C11111211113313112113313331333133313133313232233133313231232313112223   <<    C111112111133131121133133313331333131333132322331333132312323131122233   >>      C111112111133131121133133313331333131333132322331333132312323131122232   >>