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 
 16 11 -18 0
7 4 -18 0
-18 -5 -16 0
11 18 7 0
-18 14 9 0
-10 -11 -20 0
20 2 -14 0
-1 19 16 0
-12 -1 -4 0
19 8 7 0
9 12 -18 0
-5 4 -17 0
10 8 17 0
-10 -15 -7 0
-7 -11 5 0
-1 -7 19 0
-14 -1 -7 0
8 -9 1 0
-10 -3 -19 0
-14 -3 -2 0
5 -17 6 0
-6 -8 2 0
6 9 -10 0
-4 -7 16 0
-3 -20 -7 0
15 5 -13 0
-17 8 -11 0
20 -16 1 0
9 1 -16 0
13 -3 19 0
15 16 -2 0
-20 -9 10 0
14 12 -6 0
11 9 15 0
-12 17 -5 0
-8 4 -15 0
11 -15 4 0
-18 2 14 0
11 19 18 0
-12 -20 19 0
-10 -20 -5 0
1 11 -3 0
-3 -5 -2 0
-11 -10 18 0
-19 -10 -6 0
11 6 -20 0
3 -11 -1 0
-10 14 17 0
4 -17 18 0
-11 14 -19 0
-11 -16 -19 0
9 19 11 0
2 16 18 0
-11 -18 -5 0
-3 -6 12 0
-10 6 4 0
-9 1 -15 0
-20 2 -12 0
4 -19 10 0
-1 -13 -8 0
18 -1 4 0
-5 8 -6 0
15 5 14 0
18 -6 -1 0
-10 14 -5 0
-15 3 -16 0
4 9 3 0
-1 3 -14 0
-16 -7 -1 0
-8 -3 -7 0
-7 -15 -2 0
16 -8 20 0
-5 18 -1 0
-15 12 17 0
19 8 17 0
-17 -2 3 0
-16 -9 10 0
3 -17 2 0
-20 9 17 0
18 -13 -3 0
4 -1 -14 0
-18 -4 5 0
-15 13 -11 0
-18 16 -14 0
13 -15 -2 0
4 15 6 0
-4 13 -5 0
11 20 5 0
-5 -3 20 0
-17 11 -19 0
15 -5 -16 0
%
0