deque-blog/rapid_check_3_the_goal.hs

## rapid_check_3_the_goal.hs
rapidCheck prop_gcd_bad
> Failure {seed = 1034882204061803680,
           counterExample = ["1","0"]}
	rapidCheck prop_gcd_bad
	> Failure {seed = 1034882204061803680,
	counterExample = ["1","0"]}