C221213331323133112111133133313331333131211113313331333133313232211211   >>    C22121333132313311211113313331333133313121111331333133313331323221121   <<    C221213331323133112111133133313331333131211113313331333133313232211213   >>      C221213331323133112111133133313331333131211113313331333133313232211212   >>