Test 1.  Should print 0 five times.
0
0
0
0
0
Test 2.  Should print P1 1 1 0 five times
P1 1 1 0 
P1 1 1 0 
P1 1 1 0 
P1 1 1 0 
P1 1 1 0 
Test 3.  Should print eulerchi: N
 eulerchi:	1
 eulerchi:	2
 eulerchi:	3
 eulerchi:	4
 eulerchi:	5