| 摘要 |
Provided is a highly flexible card, which can be changed in its data by a simple operation and which can continue the interest in the card and a game. The card has such a first dot pattern formed on at least one face that a coordinate value or a code value is patterned with a predetermined algorithm so that it can be recognized with a predetermined illuminating light, and such a second dot pattern in a region overlapping or different from the region having the first dot pattern as is patterned with a predetermined algorithm.
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