Oh goodness. I saved all the PTs to my computer last night, already have Cambridge saved. I'm almost done saving everything to my flash drive. Fun times.
Everytime I look at this thread, I think to myself "Damn, these pencils are sexy... Makes me want to pick up writing again"... but then I remember I write better on the computer. :(
If you're staring at your computer screen, try using: https://justgetflux.com/ It will adjust the light of your computer screen to adapt to the time of day so you're not always on the brightest setting.
I still have my problem sets 1&2 for In n out games. Maybe it's possible you missed them while you double-checked them. Or your saved them to a different folder on your computer.
I uploaded the picture onto my instagram and tagged "7sage" to give you a better idea of what diagrams I drew out since it's hard to replicate it on the computer