C221213331323133112111133133313331322331311331333133313221121211   >>    C22121333132313311211113313331333132233131133133313331322112121   <<    C221213331323133112111133133313331322331311331333133313221121213   >>      C221213331323133112111133133313331322331311331333133313221121212   >>