C221213331323133112111133133313331322331311331333133313232211212111   >>    C22121333132313311211113313331333132233131133133313331323221121211   <<    C221213331323133112111133133313331322331311331333133313232211212113   >>      C221213331323133112111133133313331322331311331333133313232211212112   >>