0 6

-1

12 8
 0 0 0 1 0 1 0 -4
 1 2 5 0 2 1 0 3
 1 0 -1 0 1 0 0 0
 1 -2 -5 0 -1 -1 0 0
 1 0 3 0 -1 0 2 0
 1 3 4 0 0 1 0 5
 1 3 5 0 0 1 0 0
 1 -3 -5 0 0 -1 1 2
 1 0 1 0 0 0 0 -1
 1 0 0 0 1 0 1 -2
 1 0 0 0 1 0 0 -2
 1 0 0 0 0 0 0 1

Urs_parms
Urs_unknowns