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Galaxies: clarify wording of completion condition.

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A user mailed me today having found it less than clear from the docs
that Galaxies will only accept a solution if the set of filled-in grid
edges consists of _exactly_ the ones that separate two distinct
regions, rather than consisting of _at least_ those and perhaps others
which neither break rotational symmetry or disconnect any region.
This commit is contained in:
Simon Tatham
2018-04-17 18:30:48 +01:00
parent 664deaea59
commit 12cb1adc88
2 changed files with 21 additions and 12 deletions
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html/galaxies.html
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@ -1,8 +1,12 @@
Galaxies
<p>
Draw lines along grid edges so as to divide the grid up into
regions. Every region should have two-way rotational symmetry, and
should contain exactly one dot which is in its centre.
Draw lines along grid edges so as to divide the grid up into connected
regions of squares.
<p>
Every region should have two-way rotational symmetry, should contain
exactly one dot which is in its centre, and should contain no lines
separating two of its own squares from each other. A region satisfying
all of these requirements will be automatically highlighted.
<p>
Click on a grid edge to add or remove a line. Right-click on a dot
and drag the mouse to place an arrow in a grid square pointing to