binary-search: better tests
binary-search: better tests
cataska/factor,mcandre/factor,mcandre/factor,erg/factor,mcandre/factor,erg/factor,erg/factor,ceninan/factor,mcandre/factor,ceninan/factor,kingcons/factor,ceninan/factor,mcandre/factor,cataska/factor,ceninan/factor,kingcons/factor,mcandre/factor,erg/factor,erg/factor,cataska/factor,erg/factor,cataska/factor,erg/factor,kingcons/factor,kingcons/factor,mcandre/factor