How to lace a shoe

[Pfoertner, Hugo]

Sorry, 

Not a good day :-<
cut and paste should be _triple_-checked 

<snip>

http://www.randomwalk.de/shoelace/l4b.jpg
-1 5 4 B(1 5) -6 A(1 5) -3 B(1 5) 7 A(1 5) 2 B(1 5) 8

To get some practice: Currently my shoes have n=4:

-1 7 -3 5 -4 A(3 5) 6 B(7 3) -2 B(1 7) 8

Hugo Pfoertner