C221213331323133112111133133313331322331311331333133313221213233231   >>    C22121333132313311211113313331333132233131133133313331322121323323   <<    C221213331323133112111133133313331322331311331333133313221213233233   >>      C221213331323133112111133133313331322331311331333133313221213233232   >>