C221213331323133112111133133313331311331333133313331333133313233112331   >>    C22121333132313311211113313331333131133133313331333133313331323311233   <<    C221213331323133112111133133313331311331333133313331333133313233112333   >>      C221213331323133112111133133313331311331333133313331333133313233112332   >>