[Vince]

Shouldn't we focus on the '/' and '\' characters?

I mean the tweets were explicitly pointing in that direction.

Agreed.
But to be honest, I've basically been waiting for another tweet

I have absolutely no idea where to go now. Getting this...

Correct values:
I, U, H,
U, T, Y, R,
U,
J, Q, E, T,

Incorrect values:
K, D, T,
J,
J, H, W, I, T,
A, B,

...was as far as I got really...