C1111133313331323223313331333133313231333132332131333131133133313112211213321   >>    C111113331333132322331333133313331323133313233213133313113313331311221121332   <<    C1111133313331323223313331333133313231333132332131333131133133313112211213323   >>      C1111133313331323223313331333133313231333132332131333131133133313112211213322   >>