Ahh, Red7 is level I. That means this is also.

Double deck:

Club Diamond Heart Spade
Ace -1 -1 0 0
2 1 1 1 0
3 1 1 1 0
4 1 1 1 1
5 1 1 1 1
6 1 1 1 1
7 1 1 0 0
8 0 0 0 0
9 -1 -1 0 0
Ten -1 -1 -1 -1

Six Deck:

Club Diamond Heart Spade
Ace -1 -1 -1 -1
2 1 1 1 0
3 1 1 1 1
4 1 1 1 1
5 1 1 1 1
6 1 1 1 1
7 1 1 0 0
8 0 0 0 0
9 -1 0 0 0
Ten -1 -1 -1 -1

Actually, this could be further refined into something that no human could handle -- but still be level I under that definition.