pattern?

From: MDX (someone_at_micrsoft.com)
Date: 01/31/04


Date: Sat, 31 Jan 2004 01:42:09 -0500

do u guys see a pattern here?

A B C D
A B D C
A C B D
A C D B
A D B C
A D C B
B A C D
B A D C
B C A D
B C D A
B D A C
B D C A
C A B D
C A D B
C B A D
C B D A
C D A B
C D B A
D A B C
D A C B
D B A C
D B C A
D C A B
D C B A