Thank you Amazing.... I do too sometimes. Other times.... eh! ..LOL
OK... I think I have the answer about how often no digits repeat in the next draw. (Speaking Single to Single hit now)
During the year we will have 183 Singles Numbers hit. That means about 15 singles a month.
Of those 15 Singles that hit each month .. we can expect 1 of the 15 not to repeat any digits from the previous Single number hit.
One out of 15 ...... on average.
(Comparatively speaking) they are cheap to trap.