// Copyright (c) 1995, Masanao Izumo

gopen(300, 300);

gwindow(0, 0, 300, 300);
gfbox(10, 10, 100, 50);

gwindow(0, 300, 300, 0);
gfbox(10, 10, 100, 50);

gwindow(300, 0, 0, 300);
gfbox(10, 10, 100, 50);

gwindow(300, 300, 0, 0);
gfbox(10, 10, 100, 50);


gpause();