C221213331323133112111133133313331322331311331333133313121111122321   >>    C22121333132313311211113313331333132233131133133313331312111112232   <<    C221213331323133112111133133313331322331311331333133313121111122323   >>      C221213331323133112111133133313331322331311331333133313121111122322   >>