i need help with roblox acc creation

ok so im making an alt and this test is rlly hard to do, do you know how to solve it? its the one where the pink shirt person has to stand on the circled object but i can't figure it out, theres 10 of these and it keeps telling me a missed 1 or more
EDIT: i finished it but now it says "Sorry! An unknown error occured. Please try again later"