The days in between workouts are mainly recover runs, aerobic training considered. Thus "sbcde" he is right, hills or steps or sprint strides, whatever, are done out of that stricktly 3 workouts every 10 days.
Now i need to send an idea that may answer to your doubts.
Ther´s a training plan that´s based in a training method or a training concept. But a concrete fix schedule, are not completly TRANSFER of that training method or training concept. In daily training routine, the coach he may act according the individual training needs, the competitive time-table, and other circonstances, as the weather condition as an simple example. So, we may think that so many times the real schedule that´s a SOPHISTICATION or a STERIOTYPE of that original conceptual model.
Sophistication – The state of being contaminated, adulteration,
Stereotype - A conventional, and oversimplified conception, opinion, or image. A cliché. One that is regarded as embodying or conforming to a set image or type.
Imagine that evetually you will have access to Rui Silva training schedule. You will question me: but what you said about 1-2-3 workouts, i don´t see that so accurate as that, why? And i will answer you that´s my 1-2-3 concept that´s sophistication a stereotype.