Bingo card S. Lowe contracted Columbia University professor Carl Leffler to create 6,000 random and unique Bingo cards. The effort is purported to have driven Leffler insane. Manual random permutation is an onerous and time-consuming task that limited the number of Bingo cards available for play for centuries. The calculation of random permutations is a matter of statistics principally relying on the use of factorial calculations. In its simplest sense, the number of unique "B" columns assumes that all 15 numbers are available for the first row. That only 14 of the numbers are available for the second row (one having been
National Bingo Game for over 25 years and has an unblemished operating record under both The Gaming Board of Great Britain and currently The Gambling Commission. There have been some controversial incidents with winners in the past, but these have tended to be few and far between. Of these incidents the majority of cases have been related to disagreements between players, where informal agreements between players to each share their winnings with the other/s, have not been honoured. That said there are also cases where some bingo customers share their major winnings with fellow bingo players, even when they are not present in