This is a mathematical challenge, and it's been said that:
If you're an engineer (or history major) , you should be able to solve
it in (under) three minutes, if you're an architect, in three hours; if
you're a doctor, in six hours; if you're an accountant, in three months
and if you're a lawyer, probably never.
if you're good at math or logical problems, solve this challenge and the
answer is the password to open
...