C221213331323133112111133133313331322331311331333133313121111112123311   >>    C22121333132313311211113313331333132233131133133313331312111111212331   <<    C221213331323133112111133133313331322331311331333133313121111112123313   >>      C221213331323133112111133133313331322331311331333133313121111112123312   >>