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Imagine all the different shapes you can make by taking five adjacent
squares from a chess or draughts board. There are twelve different shapes,
not including rotations and reflections. These can be fitted into a ten-by-six
rectangle. To try your skill at this task, download the Puzzle Program.
puzzle.exe is a Windows95/98 Program.
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Each square in a four by four box is marked
with a coloured spot. Sixteen coloured blocks must be fitted into the box
in such a way that no block is on a spot the same colour as itself, and
at no time are two adjacent squares the same colour.
To try your skill at this task, download the Spots Program.
spots.exe is a Windows95/98 Program.
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