C221213331323133112111133133313331333131211113313331333133313232313311   >>    C22121333132313311211113313331333133313121111331333133313331323231331   <<    C221213331323133112111133133313331333131211113313331333133313232313313   >>      C221213331323133112111133133313331333131211113313331333133313232313312   >>