C1111133313331323223313331333133313231333132332131333131232213233311   >>    C111113331333132322331333133313331323133313233213133313123221323331   <<    C1111133313331323223313331333133313231333132332131333131232213233313   >>      C1111133313331323223313331333133313231333132332131333131232213233312   >>