| 摘要 |
A video gaming machine (10) displays an array of symbols. If a triggering event occurs, one or more symbols in the array can be replaced with other symbols such by shifting symbols, exchanging symbols, or by other techniques. Upon occurrence of the triggering event, even the pay lines may be changed. The changing of the symbol array or the pay lines is controllable by the player or controlled automatically. Accordingly, the player is provided another chance of winning when the triggering event occurs. In one embodiment, the triggering event may be that one of the displayed symbols is a trigger symbol, such as a specially marked symbol. Other triggering events are described. The machine saving in memory information relating virtual reel strips or paylines. This information can be transferred to other gaming machines. <IMAGE>
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