问题：Tetris (Russian: Тeтрис) is a puzzle video game originally designed and programmed by Alexey Pajitnov in the Soviet Union. The Tetris game is a popular use of tetrominoes, the four element special case of polyominoes.The seven kinds of tetrominoes are listed below.问题：Tetris (Russian: Тeтрис) is a puzzle video g
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