C2212133313231331121111331333133313223313113313331333131232312111   >>    C221213331323133112111133133313331322331311331333133313123231211   <<    C2212133313231331121111331333133313223313113313331333131232312113   >>      C2212133313231331121111331333133313223313113313331333131232312112   >>