//TETRAHEDRON
//VERTICES:
4
( 1.000000000000, -1.000000000000, -1.000000000000) 
(-1.000000000000,  1.000000000000, -1.000000000000) 
(-1.000000000000, -1.000000000000,  1.000000000000) 
( 1.000000000000,  1.000000000000,  1.000000000000) 
//ADJACENCY:
4
0 1 1 1 
1 0 1 1 
1 1 0 1 
1 1 1 0 
//EDGES:
4 3
1	2	3	
0	2	3	
0	1	3	
0	1	2	
//FACES:
4 3
0	1	3	
0	2	1	
0	3	2	
1	2	3