generateOne( anOutStream, 0, 5, 0, -5 );
generateOne( anOutStream, 10, 5, 10, -5 );
generateOne( anOutStream, 20, 5, 20, -5 );
generateOne( anOutStream, 0, 5, 0, -5 );
generateOne( anOutStream, 10, 5, 10, -5 );
generateOne( anOutStream, 20, 5, 20, -5 );