Minor optimization to flip
Minor optimization to flip

nicolas-p/factor,factor/factor,mcandre/factor,bpollack/factor,cataska/factor,ceninan/factor,dch/factor,AlexIljin/factor,sarvex/factor-lang,seckar/factor,nicolas-p/factor,kingcons/factor,ehird/factor,AlexIljin/factor,mrjbq7/factor,dch/factor,sarvex/factor-lang,sarvex/factor-lang,mrjbq7/factor,factor/factor,factor/factor,dharmatech/factor,jwmerrill/factor,nicolas-p/factor,jwmerrill/factor,sarvex/factor-lang,dharmatech/factor,slavapestov/factor,dch/factor,Keyholder/factor,mcandre/factor,cataska/factor,nicolas-p/factor,factor/factor,bjourne/factor,tgunr/factor,littledan/Factor,kingcons/factor,bjourne/factor,bjourne/factor,Keyholder/factor,tgunr/factor,bjourne/factor,factor/factor,nicolas-p/factor,bpollack/factor,jwmerrill/factor,mrjbq7/factor,erg/factor,bpollack/factor,bpollack/factor,seckar/factor,littledan/Factor,bpollack/factor,tgunr/factor,mrjbq7/factor,sarvex/factor-lang,tgunr/factor,AlexIljin/factor,kingcons/factor,ceninan/factor,ehird/factor,tgunr/factor,bjourne/factor,Keyholder/factor,tgunr/factor,mcandre/factor,slavapestov/factor,kingcons/factor,erg/factor,dch/factor,mcandre/factor,AlexIljin/factor,cataska/factor,slavapestov/factor,sarvex/factor-lang,slavapestov/factor,factor/factor,nicolas-p/factor,erg/factor,bjourne/factor,erg/factor,erg/factor,mrjbq7/factor,bjourne/factor,erg/factor,mcandre/factor,slavapestov/factor,mcandre/factor,seckar/factor,ceninan/factor,mcandre/factor,erg/factor,littledan/Factor,ceninan/factor,littledan/Factor,AlexIljin/factor,mrjbq7/factor,AlexIljin/factor,dch/factor,AlexIljin/factor,dharmatech/factor,nicolas-p/factor,bpollack/factor,slavapestov/factor,ehird/factor,slavapestov/factor,sarvex/factor-lang,cataska/factor,dch/factor,bpollack/factor