Computer Science Department, Hope College, Holland, MI 49423, USA. dejongh@hope.edu|Computer Science Department, Hope College, Holland, MI 49423, USA. dejongh@hope.edu|Computer Science Department, Hope College, Holland, MI 49423, USA. dejongh@hope.edu|Computer Science Department, Hope College, Holland, MI 49423, USA. dejongh@hope.edu|Computer Science Department, Hope College, Holland, MI 49423, USA. dejongh@hope.edu|Computer Science Department, Hope College, Holland, MI 49423, USA. dejongh@hope.edu