C1111133313331323223313331333133313231333132332131333133313231311212311   >>    C111113331333132322331333133313331323133313233213133313331323131121231   <<    C1111133313331323223313331333133313231333132332131333133313231311212313   >>      C1111133313331323223313331333133313231333132332131333133313231311212312   >>