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