C1111133313331323223313331333133313231333132332131333133313232233332311   >>    C111113331333132322331333133313331323133313233213133313331323223333231   <<    C1111133313331323223313331333133313231333132332131333133313232233332313   >>      C1111133313331323223313331333133313231333132332131333133313232233332312   >>