I think VQC recognised AA is about to unleash the solution.
That's why he became anonymous.
Alcoholism and fame do not go hand in hand.
Hopefully he can restart his recovery but I don't think he would want you to give up.
Perhaps as his recovery begins again, he will help anonymously.
It looks like the solution is focusing on how the patterns allow you to lookup two columns with n different by one for the d and d+1 cells you need for e,n and -f,n-1.