2003-09-29 #3 29th Sept 2003, 4 square environment A,B,C,D and 4 responses, Up, Down, Left, Right. Got into an infinite loop going up from D to B because Up was already recognized and kept on doing habit at 14 and not storing a second B. Book traversal links for 2003-09-29 #3 2003-09-29 #2 Up November 2003