C1111133313331323223313331333133313231333132332131333133313331333131231213221   >>    C111113331333132322331333133313331323133313233213133313331333133313123121322   <<    C1111133313331323223313331333133313231333132332131333133313331333131231213223   >>      C1111133313331323223313331333133313231333132332131333133313331333131231213222   >>