With the popularity of the video game Tetris, most people are aware of
the ve connected shapes formed by four unit squares joined edge to edge.
They are called the I{, L{, N{, O{ and T {tetrominoes, after the letter of the
alphabet whose shapes they resemble. They form a subclass of the polyominoes,
a favourite topic in research and recreational mathematics founded by
Solomon Golomb.
With the popularity of the video game Tetris, most people are aware ofthe ve connected shapes formed by four unit squares joined edge to edge.They are called the I{, L{, N{, O{ and T {tetrominoes, after the letter of thealphabet whose shapes they resemble. They form a subclass of the polyominoes,a favourite topic in research and recreational mathematics founded bySolomon Golomb.
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