July 2015
Intermediate to advanced
286 pages
6h 31m
English
Directness is the opposite of twistiness. It is a measure of how many cells in a grid go straight, either horizontally or vertically.

This can be broken down a bit more, though, by showing the numbers separately for horizontal passages and vertical passages. The following figure shows the relative number of horizontal passages in each maze.

And the following gives the corresponding numbers for vertical passages.

As you would expect, the ...
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