0 5

-1

10 8
 0 0 0 0 1 1 0 -1
 1 7 -4 -10 0 -2 0 -1
 1 -4 2 5 0 1 0 -1
 1 4 -2 -5 0 -1 0 5
 1 0 1 0 0 0 0 -1
 1 0 -1 0 0 0 2 0
 1 0 0 1 0 0 0 -1
 1 0 0 -1 0 0 3 2
 1 -98 56 140 0 28 1 1
 1 0 0 0 0 0 0 1

Urs_parms
Urs_unknowns