Make it AI survival almost definitely impossible by adding a 3rd pass to FindGear. 1st pass normal, 2nd pass allow close to objects, 3rd pass, allow overlapping objects.
#include <QtGui/QApplication>
#include "mainwindow.h"
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
MainWindow w;
w.show();
return a.exec();
}