C1111133313331323223313331333133313231333132332131333133313331311323233121   >>    C111113331333132322331333133313331323133313233213133313331333131132323312   <<    C1111133313331323223313331333133313231333132332131333133313331311323233123   >>      C1111133313331323223313331333133313231333132332131333133313331311323233122   >>