2.10 - Two Einstein solids - if you can't do it with 200+100+100, scale down to 100+50+50 or 50+25+25
2.12 - Practice with logs
2.17- Einstein solid multiplicity in the low-temperature limit
2.21 - Plot the multiplicity function for two Einstein solids
2.27 - Probabilities for molecules being on one side of a container
2.29 - Entropy of macrostates of two Einstein solids