Of course TimeScape copies have tons of zero a fields. Scanning .a scores a miserable 131. Scanning .a and .b score around 132 points. Scanning .i scores 145 points. However, this technique works best against classic stones.
Juliet storm modifies a-fields.
Submitting my scanner against the hill with different options had significant effects on the individual scores of some programs. Drastic enough I don't want to mention names. But the overall score against the hill tends to balance out. However, if you're having a real problem with a few particular programs, changing your scanning criteria just may be the key. Mail them to people who care.