C111112111133131121133133313331333133313331312111112111133133313222322332321   >>    C11111211113313112113313331333133313331333131211111211113313331322232233232   <<    C111112111133131121133133313331333133313331312111112111133133313222322332323   >>      C111112111133131121133133313331333133313331312111112111133133313222322332322   >>