figures/Box.java figures/FigureElement.java figures/Group.java figures/Line.java figures/Point.java figures/ShapeFigureElement.java figures/SlothfulPoint.java support/Log.java answers/Answer.java tests/Test.java tests/Test2a.java tests/Test2b.java tests/Test2c.java tests/Test2d.java tests/Test2e.java tests/Test2f.java tests/Test3a.java tests/Test3b.java tests/Test3c.java tests/Test3d.java tests/Test3e.java tests/Test4a.java tests/Test4b.java tests/Test4c.java tests/Test4d.java tests/Test4e.java