I don't think that is optimally difficult.
Does the board have an even or odd number of columns? If even, you can turn
each of those on its side and set them next to each other, and get rid of the
middle row. If odd, you can do the same but leave one space in the leftmost
column, and then insert one there.
For a 4-wide well (W is the wall):
W +--+ +--+W
W |1 | |2 |W
W+--+--+--+--+W
W|1 |1 |2 |2 |W
W+--+--+--+--+W
W|1 | |2 | W
W+--+ +--+ W
For a five-wide well
W +--+ W
W |3 | W
W+--+--+--+ +--+W
W|3 |3 |1 | |2 |W
W+--+--+--+--+--+W
W|3 |1 |1 |2 |2 |W
W+--+--+--+--+--+W
W |1 | |2 | W
W +--+ +--+ W
>
> One quiz possibility I've had in my ideas file for some time is to
> write a demonic tetris game that sabotages the tetris player as badly
> as possible by figuring out which pieces fit the current board
> configuration the worst and then sending the player those pieces.
>
> But I can't quite figure out how to ask the question, because the
> maximally demonic tetris game is easy to write: if you never give the
> player anything except these:
>
> +--+--+
> | | |
> +--+--+--+
> | | |
> +--+--+
>
> then the player can never complete any rows, and will lose quickly.
> So it's not clear to me how to turn this into an interesting puzzle.
>
> Anyone have any thoughts?
>
>
--
Adam Lopresto (adam-iRZAmt6dVcFkZI0wD67Jjg@xxxxxxxxxxxxxxxx)
http://cec.wustl.edu/~adam/
"I like [Mac OS X] significantly more than I like Windows NT, which is better
than 95 or 98 in the way that smallpox is better than Ebola."
-- Kyrrin
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