In this post: https://forum.makecode.com/t/crossy-roads-3/7348/17?u=unsignedarduino You can see an impossible scenario:  (Thanks @agent14bricks)
In this post:

https://forum.makecode.com/t/crossy-roads-3/7348/17?u=unsignedarduino
You can see an impossible scenario:
(Thanks @agent14bricks)