C221213331323133112111133133313331322331311331333132313232112312311   >>    C22121333132313311211113313331333132233131133133313231323211231231   <<    C221213331323133112111133133313331322331311331333132313232112312313   >>      C221213331323133112111133133313331322331311331333132313232112312312   >>