Okay it is better now, I didn't even got stuck anymore. Maybe a short explanation on the screen could help finding the edit function better for those who play this the first time.
In pause you can edit map and free your marble. https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DlimzTakCCeE%26amp;t=6s
In pause you can edit map and free your marble. https://ancillary-proxy.atarimworker.io?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DlimzTakCCeE%26amp;t=6s