@thaplongtho Use the 3RM example at the bottom of the article.
3,2,1,1 would be four sets.
Set 1 is 3 reps
Set 2 is 2 reps
Set 3 is 1 rep
Set 4 is 1 rep
Make sense now?
Day
Reps
1
3, 2, 1, 1
2
3, 2, 1, 1
3
3, 2, 2, 1
4
3, 3, 2, 1
5
4, 3, 2, 1
6
Off
7
4, 3, 2, 1, 1
8...