C221213331323133112111133133313331322331311331333133313113313331221221   >>    C22121333132313311211113313331333132233131133133313331311331333122122   <<    C221213331323133112111133133313331322331311331333133313113313331221223   >>      C221213331323133112111133133313331322331311331333133313113313331221222   >>