C111112111133131121133133313331333133313331323133313331333131111223311   >>    C11111211113313112113313331333133313331333132313331333133313111122331   <<    C111112111133131121133133313331333133313331323133313331333131111223313   >>      C111112111133131121133133313331333133313331323133313331333131111223312   >>