@adviceplease Looking at it, it's:
30s quick stepups, rest 30s;
30s quick stepups, 30s pushups, rest 30s;
30s quick stepups, 30s pushups, 30s russian twists, 30s rest;
The peak is step 8 which has 2 minutes of the Core Pyramid (assuming 30s per exercise there). It's really poorly written out...