Hop, Skip, and Jump Puzzles

Find a path moving horizontally and vertically from the Start in the bottom left to the Finish in the upper right. The path must alternately hop (move 1 square), skip (move 2 squares), and jump (move 3 squares), must not cross its path, and must land in every square containing a dot. An example is shown below.

   

Each puzzle below has a unique solution.