Sorry, we didn't design well the levels, so they are a little bit confusing for a new player who doesn't know the mechanics. if you want to know how to do that level here is a video with the solutions:
https://youtu.be/GTf-F1nPKrk
ooh alright, I'll check it out! ^^
Oh wow the game looks really, really cool after the level I got stuck on, just wow!
Thanks <3