PIPE colo(u)rs.
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Do the 3 colors of generated PIPE (green blue and red) have a purpose or are they just there?
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it shows the direction of the pipe; from red to green to blue. Any other movement, like from red to blue, gets blocked (I believe.
Again, it's all on the wiki https://powdertoy.co.uk/Wiki/W/Element:PIPE.html
