puzzle

the familiar Sam Loyd puzzle
Heath Rice
1995

History 01-Nov-2000: Allocation checks
20-Mar-1998: Ideas from slip.c and eyes.c, problems with XGetImage when
image moved off screen (-inwindow or -debug).
10-May-1997: Compatible with xscreensaver
15-Mar-1996: cleaned up, NUMBERED compile-time switch is now broken.
Feb-1996: combined with rastering. Jouk Jansen .
Feb-1995: written. Heath Rice