0 5

-1

9 7
 0 0 0 1 1 0 -4
 1 2 4 0 1 0 0
 1 -2 -3 0 -1 0 -1
 1 5 6 0 2 0 0
 1 -2 -3 0 -1 1 0
 1 -5 -6 0 -2 1 2
 1 -12 -19 0 -6 4 3
 1 7 9 0 3 0 5
 1 0 0 0 0 0 1

Urs_parms
Urs_unknowns