Welcome to Tetris parity
Stack T parity:
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T is the only tetromino with an odd number of checkered black and white minos.
Stack J/L parity:
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L or J are the only tetrominoes with an odd number of striped black and white minos.
Welcome to Tetris parity
Stack T parity:
|
|
T is the only tetromino with an odd number of checkered black and white minos.
Stack J/L parity:
|
|
|
|
L or J are the only tetrominoes with an odd number of striped black and white minos.