C2212133313231331121111331333133313331333133313231323133313232221   >>    C221213331323133112111133133313331333133313331323132313331323222   <<    C2212133313231331121111331333133313331333133313231323133313232223   >>      C2212133313231331121111331333133313331333133313231323133313232222   >>