I have a same gut feeling, but one of my professors told us how the discoveries are being made: Everybody know that some thing is impossible to do. But one per

I have a same gut feeling, but one of my professors told us how the discoveries are being made: Everybody know that some thing is impossible to do. But one person who didn't know that accidentally does it. Right now I have one type-1 set having 36 numbers in it. The first numbers are 7, 25 and 42. I like it.