Long description
A structure example of a tricky topic with four stumbling blocks labelled A,B, C and D. There are three problem examples labelled 1, 2 and 3. Problem example 1 is linked to stumbling block A&B. Problem example 2 is linked to stumbling block B. Problem examples 3 is linked to stumbling blocks C&D. Each of the problem examples has a distiller box attached to it.
Another box connected to the distiller boxes and different problem examples is labelled the diagnostic quiz. It contains three boxes, ‘quiz question 1 (for stumbling block D0, ‘quiz question 2 (for stumbling block C) and quiz question 3 (for stumbling blocks A&B.