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'Weekly Challenge 20: the Olympic LOGO' printed from http://nrich.maths.org/
If you go to twilgo
RT 90 REPEAT 3 [REPEAT 360 [FD 1 RT 1] PU FD 125 PD] PU RT 139 FD 245 RT 41 PD REPEAT 2 [REPEAT 360 [FD 1 RT 1] PU FD 130 PD]
will approximately produce the desired image. Perhaps you can produce a 'better' algorithm to display this? If so, let us know!
For trademarking reasons we are unable to display this image, so why not try this for yourself?