C31321211113313121133133313331333133313331333133313331333133313112112111221   >>    C3132121111331312113313331333133313331333133313331333133313331311211211122   <<    C31321211113313121133133313331333133313331333133313331333133313112112111223   >>      C31321211113313121133133313331333133313331333133313331333133313112112111222   >>