C312312111111331312111133133313331333133323132322331311331322111   >>    C31231211111133131211113313331333133313332313232233131133132211   <<    C312312111111331312111133133313331333133323132322331311331322113   >>      C312312111111331312111133133313331333133323132322331311331322112   >>