C1111133313331323223313331333133313331323132232111133132332322311   >>    C111113331333132322331333133313331333132313223211113313233232231   <<    C1111133313331323223313331333133313331323132232111133132332322313   >>      C1111133313331323223313331333133313331323132232111133132332322312   >>