Congratulations to the team and the community as a whole for this pretty amazing achievement.
Turns out the one level that the group was having trouble with was originally uploaded using something called a TAS, which renders it null and void, so they didn't actually have to beat that one to finish them all.
**Edited title. Making sure that the word 'level' doesn't fit. Have a good day. *
Everyone goes on about how important this book is, but I got barely 1/3 if the way through and bounced off it hard.
Horses for courses I guess.