This is a superset of CFR[] that was discussed last week at <https://news.ycombinator.com/item?id=37956065 https://news.ycombinator.com/item?id=37956065>. Than

This is a superset of CFR[] that was discussed last week at <https://news.ycombinator.com/item?id=37956065 https://news.ycombinator.com/item?id=37956065>. Thanks to the creativity and wonderful demos shared by many people, I have created an extension of CFR[] to add an “S” command that can be used to make the turtle sleep for 20 ms and produce animation effects. Some demos: https://susam.net/cfrs.html#1 https://susam.net/cfrs.html#1 https://susam.net/cfrs.html#2 https://susam.net/cfrs.html#2 https://susam.net/cfrs.html#3 https://susam.net/cfrs.html#3 https://susam.net/cfrs.html#4 https://susam.net/cfrs.html#4 https://susam.net/cfrs.html#5 https://susam.net/cfrs.html#5