public void shiftIndex(int lessThan, int delta) {
        int size = info.length;
        for (int i = 2; i < size; i += 10){
            int org = ByteArray.readU16bit(info, i + 8);
            if (org >= lessThan)
                ByteArray.write16bit(org + delta, info, i + 8);
        }
    }