Bingo card culture. Larger patterns, e.g. a diamond pattern consisting of cell positions B3, I2 and I4, N1 and N5, G2 and G4, and O3, are often used by online Bingo games to permit large number of players while ensuring only one player can win. (A unique winner is further desirable for online play where network delays and other communication interference can unfairly affect multiple winning cards. The winner would be determined by the first person to click the "Bingo!" button (emulating the shout of "Bingo!" during a live game).) In this case the number of unique winning cards is calculated as
Prize Bingo a claim and only then will the computer check it and end the game (or reject it if the player has made a mistake). As well as being announced verbally, most prize bingo establishments feature a TV monitor or several that shows the last called number and how many numbers have been called. In addition to this, the consoles often have a small LED display that shows this information when a game is in progress or the number of remaining credits when there is no game in progress. Prize bingo establishments also usually feature a 'floorwalker', whose job it is