[ START ] --> [ damage? ]
[ damage? ] -- yes --> [ run opposite way! ]
[ damage? ] -- no --> [ food? ]
[ food? ] -- here --> [ eat ]
[ eat ] -- X=1 --> [ food? ]
[ food? ] -- near --> [ move to food ]
[ food? ] -- no --> [ move X squares in random direction ]
[ move X squares in random direction ] -- increase-X --> [ food? ]