CodeCombat

B1: https://codecombat.com/students?_cc=MusicGoodLion       code:MusicGoodLion

B2: https://codecombat.com/students?_cc=SmallShakeSoft      code: PushFoodCook

Δ1: https://codecombat.com/students?_cc=RideBreadIron    code= PlayDownSnow