Maybe a typo in the source code, `abs(left.startGP.position) < abs(left.startGP.position)`?

In indexer.cpp:347
```cpp
...
        // or smaller positive if contig is the same
        if(left.startGP.contig == right.startGP.contig && abs(left.startGP.position) < abs(left.startGP.position))
            return true;
        else
            return false;
...
```

Your intention was `abs(left.startGP.position) < abs("right".startGP.position)`, wasn't it?
