C1111133313331323223313331333133313231333132332131333131133132213111221   >>    C111113331333132322331333133313331323133313233213133313113313221311122   <<    C1111133313331323223313331333133313231333132332131333131133132213111223   >>      C1111133313331323223313331333133313231333132332131333131133132213111222   >>