1) blue, 2) red, 3) blue, 4) yellow. Web why it's not right for you :it's becouse you have to remember the colour on the old level there they fill the map with water. That's why it says :
Cheats for the impossible quiz level 42
The impossible quiz 34
Cool math the impossible quiz
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There seems to be a glitch where you would lose a life over time so be quick on this one.