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Sure,

1-7 Maze: As implied by the name, this level is just a maze. Figure out the path player B needs to take, and then hit the switches with player A in the correct order so they can take it. It might be helpful to screenshot the level and trace out the path in MS Paint (or a similar program) if it's too hard to visualize (this technique can be helpful on other levels as well).

1-8 Boulders: So this level's a bit tricky. And trying to solve it with trial and error can become overwhelming (it's designed to be that way).

In essence though, player B just needs to trigger the falling blocks in the correct order. So you can start by deducing that the large block closest to B's starting location cannot be touched first, because it would permanently block A's escape. Then you can consider the smaller block touching that block at the bottom right - you can touch it first without trapping A, but then B either has to go down to that lower area (where they'll be stuck), or touch the first block we looked at, which again would trap A. So you can rule out that block as the 1st touch too. You can kind of proceed in this manner, deducing which blocks are touchable in what order to solve the puzzle.