Junaid MubeenBlockedUnblockFollowFollowingOxford Mathematician turned educator. @HGSE '12. Head of Product @MathsWhizzTutor. Long-distance runner. Anagrams. Views my own.Jul 28, 2016Just a slight amendment : to make up the first zero, you can not only do it with 1234, 4411 and…John Gliksberg11Oh, cool — amended with thanks!