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maybe I am missing something, but the problem description does not match the diagram for the square right after the slide. According to the description you can move either left or down. According to the diagram you can move only down.
![[CS188 FA18] Section 6 - RL](http://i.ytimg.com/vi/ftmSI27SERc/mqdefault.jpg)
![[CS188 FA18] Section 6 - RL](/img/tr.png)
maybe I am missing something, but the problem description does not match the diagram for the square right after the slide. According to the description you can move either left or down. According to the diagram you can move only down.