C221213331323133112111133133313331322331311331333133313113313331313331223211221   >>    C22121333132313311211113313331333132233131133133313331311331333131333122321122   <<    C221213331323133112111133133313331322331311331333133313113313331313331223211223   >>      C221213331323133112111133133313331322331311331333133313113313331313331223211222   >>