c This Formular is generated by mcnf
c
c    horn? no 
c    forced? no 
c    mixed sat? no 
c    clause length = 3 
c
p cnf 20  91 
 14 5 -15 0
6 -16 -12 0
-7 -19 6 0
2 -19 15 0
-1 -18 -10 0
10 20 2 0
5 18 14 0
-3 -15 -17 0
-11 -17 12 0
11 7 -5 0
2 3 4 0
-6 4 -12 0
-9 19 -5 0
-6 -17 -11 0
-9 1 -5 0
13 -5 -3 0
-6 18 -3 0
-9 -1 5 0
12 -1 -3 0
3 -8 -17 0
7 -12 -4 0
1 -19 -16 0
20 -6 -18 0
-11 -14 13 0
16 -20 6 0
-9 11 8 0
19 -2 -1 0
2 5 15 0
17 14 -1 0
18 3 -13 0
-9 -14 2 0
2 -10 7 0
-20 -12 -11 0
2 14 -8 0
15 1 17 0
-18 13 15 0
-5 -11 15 0
17 13 -16 0
20 8 7 0
-2 -5 -10 0
-18 9 -7 0
-17 14 -6 0
-16 1 -10 0
-4 -7 -11 0
-15 18 9 0
10 18 9 0
19 20 8 0
-5 -15 -16 0
-19 15 10 0
-6 -7 -17 0
-8 -13 9 0
18 19 17 0
-6 19 -17 0
16 -5 -6 0
-13 -20 11 0
18 -7 5 0
6 -10 3 0
8 6 18 0
9 8 -15 0
13 11 -9 0
20 15 -19 0
12 18 -2 0
9 -15 -16 0
8 6 4 0
16 1 15 0
-19 2 18 0
-17 20 -3 0
9 -10 5 0
20 3 -9 0
8 1 -16 0
6 -3 20 0
-9 -17 8 0
2 4 -18 0
-9 -7 -15 0
14 19 20 0
8 6 7 0
15 18 -3 0
11 -10 1 0
-1 5 15 0
15 3 -14 0
-11 -10 -4 0
13 16 15 0
14 -11 -13 0
-15 -12 9 0
-11 20 -18 0
6 12 19 0
16 5 -2 0
15 -3 -2 0
1 7 11 0
-13 14 7 0
5 -14 20 0
%
0