C1111133313331323223313331333133313231333132332131333133313331311211132213331   >>    C111113331333132322331333133313331323133313233213133313331333131121113221333   <<    C1111133313331323223313331333133313231333132332131333133313331311211132213333   >>      C1111133313331323223313331333133313231333132332131333133313331311211132213332   >>