C111112111133131121133133313331333133313331323133313331312323233231   >>    C11111211113313112113313331333133313331333132313331333131232323323   <<    C111112111133131121133133313331333133313331323133313331312323233233   >>      C111112111133131121133133313331333133313331323133313331312323233232   >>