Here is my tentative breakdown of the passage, correct me please
P1: CLS proponents criticize the traditional legal theory because it is inherently contradictory, but Meyerson thinks their criticism is implausible.
P2: further elaboration on the CLS's position and Meyerson's counter-argument. CLS proponents believe the conflicting values in the law lead to irrational decisions, implying no single right solution to legal cases and making cases irresolvable. Meyerson argues some such cases can be resolved by ranking the conflicting values.
P3: Meyerson further argues that even when a solution is not the single right solution, the solution can still be rational because we can compare those equally plausible solutions to other utterly unreasonable solutions.
P4: it looks like this somewhat abstract paragraph is an extension from the original argument between Meyerson and the CLS proponents. The CLS proponents believe the legal decision-making process implies the moral approval, but Meyerson uses a game scenario to illustrate using a decision-making process does not necessarily imply the moral approval. Then a possible counter argument from the CLS proponents is presented to say the scenario is not analogous because applying rules in a legal case requires approval of some external considerations, but Meyerson argues the scenario IS analogous because such external considerations are part of the rules of the game.
For the last paragraph, when I am about to attack the questions, I don't quite understand the details but I know Meyerson disagrees with the CLS proponents and I understand the scenario is used to show Meryerson's belief that applying rules does not imply the moral approval of the rules, and these are enough to answer questions 16 and 20. Question 18 probably needs some reading, but the reference nature of the question makes it handleable.
Sorry I don't know where the author tips his hand...