Removing cutoffs

Here is an example of meandering while removing all parts of the stream between self-intersections. Excised loops are not being shown. Times are 10, 40, 140, 240, 340, 440, 540, 640, 740, 840, 940, 1040, 1140, 1240, 1340, 1440, 1540, 1640, 1740, and 1840 steps:

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