0 7

-1

14 10
 0 0 0 0 1 0 1 0 0 2
 0 0 0 0 0 1 1 1 0 0
 1 -2 8 -5 0 0 1 -1 0 -1
 1 2 -8 5 0 0 -1 1 1 0
 1 3 -8 5 0 0 -1 1 0 -1
 1 -3 8 -5 0 0 1 -1 1 0
 1 1 -4 2 0 0 0 1 0 -1
 1 -1 4 -2 0 0 0 -1 1 0
 1 0 3 -2 0 0 0 -1 0 -1
 1 0 -3 2 0 0 0 1 1 0
 1 0 0 1 0 0 0 0 0 -1
 1 0 0 -1 0 0 0 0 1 0
 1 0 0 0 0 0 0 0 1 -2
 1 0 0 0 0 0 0 0 0 1

Urs_parms
Urs_unknowns