Some time ago I wrote a program for visualizing search algorithms in a grid. A relatively simple Breadth first search that mutates its color on each search depth over a grid.
Home they brought her warrior dead:
She nor swooned, nor uttered cry:
All her maidens, watching, said,
‘She must weep or she will die.’
“My will? Yes, certainly, I know that,” said the doctor, a trifle sharply. “You have told me so.”