1
3gp           
3
19
1
4          #number of generators 
5          #number of relations 
0          #exponent  

3 2 -3 4;  #word is (2 * 3^-1 * 4)^-3
0;         #trivial word 

3 3 -4;
0;

1 [2 1];
1 -3;

1 [3 1];
0;

1 [3 2];
1 -4;

2
3GP

0
