0 6

-1

9 8
 0 0 0 1 2 0 0 2
 1 2 2 0 1 1 0 0
 1 0 1 0 0 0 0 -1
 1 -2 -2 0 -1 0 0 -1
 1 7 6 0 3 0 0 -1
 1 -6 -7 0 -3 0 3 1
 1 -7 -6 0 -3 1 6 4
 1 0 0 0 0 0 1 0
 1 0 0 0 0 0 0 1

Urs_parms
Urs_unknowns