The Anh (anhnt29)

Race #83

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Official speed 60.84 wpm (57.00 seconds elapsed during race)
Race Start August 31, 2018 8:45:27am UTC
Race Finish August 31, 2018 8:46:24am UTC
Outcome No win (2 of 2)
Accuracy 95.0%
Points 42.59
Text #3622410 (Length: 289 characters)

When analyzing images, constraint propagation works because relevant surface properties change slowly almost everywhere. Surface distance and surface direction can change rapidly at edges, of course, but edge points represent only a relatively small number of the points in an image array.