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