C2212133313231331121111331333133313223313113313331333132213331323221211   >>    C221213331323133112111133133313331322331311331333133313221333132322121   <<    C2212133313231331121111331333133313223313113313331333132213331323221213   >>      C2212133313231331121111331333133313223313113313331333132213331323221212   >>