Hi San,
There's lot of great answers/material here on PrepLounge for Imbellus!
https://www.preplounge.com/en/consulting-forum/new-on-preplounge-mckinsey-imbellus-game-secrets-7525
Hi San,
I guess your question was this one:
https://www.preplounge.com/en/consulting-forum/imbellus-test-8087
In case you have additional questions feel free to PM me, I have constant updates on the Imbellus.
Best,
Francesco