C221213331323133112111133133313331322331311331333133313113313331312111133123121   >>    C22121333132313311211113313331333132233131133133313331311331333131211113312312   <<    C221213331323133112111133133313331322331311331333133313113313331312111133123123   >>      C221213331323133112111133133313331322331311331333133313113313331312111133123122   >>