Diffing "N!" and "nothing fiercer or hairier"

Title: N! nothing fiercer or hairier
Author: jed pack GreatRumpuscat
Submitted: 2003-11-04 16:28:52 UTC 2003-11-04 17:22:16 UTC
Status: Passed Passed
Score: 53.0 46.0
Result: pass pass
CPU Time: 0.09 0.04
Code:
b=kron(a*0+1,b);
b=b'*~~a;
i=a~=' ';
a(i)=97+rem(a(i)-12+b(i),26);
c=a;