C2212133313231331121111331333133313331333131322331323132313232223221   >>    C221213331323133112111133133313331333133313132233132313231323222322   <<    C2212133313231331121111331333133313331333131322331323132313232223223   >>      C2212133313231331121111331333133313331333131322331323132313232223222   >>