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| A '''tetromino''', sometimes called ''tetramino'' or ''[[tetrimino]]'', is a four-squared polyomino. The seven tetrominoes are ''I'', ''O'', ''T'', ''S'', ''Z'', ''J'', and ''L''. | | A '''tetromino''', sometimes called ''tetramino'' or ''[[tetrimino]]'', is a four-squared polyomino. The seven tetrominoes are ''I'', ''O'', ''T'', ''S'', ''Z'', ''J'', and ''L''. |
| ==''I''== | | ==''I''== |
| Other names include ''straight'', ''stick'', and ''long''. | | Other names include ''straight'', ''stick'', and ''long''. This is the only tetromino that can make a "tetris" (four lines with one tetromino) outside of [[cascade]] games. |
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| ==''O''== | | ==''O''== |
| Other names include ''square'' and ''block''. | | Other names include ''square'' and ''block''. |
| {| align="left" style="padding-right:20px;" | | {{pfstart}} |
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| ==''T''== | | ==''T''== |
| {| align="left" style="padding-right:20px;" | | {{pfstart}} |
| |{{pos|=
| | {{pfrow | | | | |t| | | | | }} |
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| | {{pfrow | | | |t|t|t| | | | }} |
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| <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
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| ==''S''== | | ==''S''== |
| Other names include ''inverse skew''. | | Other names include ''inverse skew''. |
| {| align="left" style="padding-right:20px;" | | {{pfstart}} |
| |{{pos|=
| | {{pfrow | | | | |s|s| | | | }} |
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| | {{pfrow | | | |s|s| | | | | }} |
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| <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
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| ==''Z''== | | ==''Z''== |
| Other names include ''skew''. | | Other names include ''skew''. |
| {| align="left" style="padding-right:20px;" | | {{pfstart}} |
| |{{pos|=
| | {{pfrow | | | |z|z| | | | | }} |
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| <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
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| ==''J''== | | ==''J''== |
| Other names include ''gamma'' or ''inverse L''. | | Other names include ''gamma'' or ''inverse L''. |
| {| align="left" style="padding-right:20px;" | | {{pfstart}} |
| |{{pos|=
| | {{pfrow | | | |j| | | | | | }} |
| | | | |j| | | | | | |=
| | {{pfrow | | | |j|j|j| | | | }} |
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| <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
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| ==''L''== | | ==''L''== |
| {| align="left" style="padding-right:20px;" | | {{pfstart}} |
| |{{pos|=
| | {{pfrow | | | | | |l| | | | }} |
| | | | | | |l| | | | |=
| | {{pfrow | | | |l|l|l| | | | }} |
| | | | |l|l|l| | | | |=
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| |}
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| <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
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| ==See also== | | ==See also== |
| *[[Topics]] | | *[[Topics]] |
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| ==External links== | | ==External links== |
| *[http://mathworld.wolfram.com/Tetromino.html Mathworld] | | *[http://mathworld.wolfram.com/Tetromino.html Mathworld] |
| | *[http://www.arkmay.com/tetris/pieces.html The Tetris Taxonomy: The Pieces] (PG-13) |
A tetromino, sometimes called tetramino or tetrimino, is a four-squared polyomino. The seven tetrominoes are I, O, T, S, Z, J, and L.
I
Other names include straight, stick, and long. This is the only tetromino that can make a "tetris" (four lines with one tetromino) outside of cascade games.
O
Other names include square and block.
T
S
Other names include inverse skew.
Z
Other names include skew.
J
Other names include gamma or inverse L.
L
See also
External links
