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