a Reidemeister moves aware game.
Link the 2 red squares with the designed knot,
Untangle the other ropes,
Leave no orphaned loop.
within the allowed number of move?
Click on an intersection to change it. Click elsewere to validate the change. This count as one move.
Click in the yellow band, near to a rope, to highlight it.
Additional twist and overpass do not change the knot.