n_max = 5
n_iterations = 20

1 one
0 zero
2 two
3 three
0 zero
4 four
1 one
1 one
4 four
1 one
3 three
1 one
1 one
2 two
3 three
1 one
2 two
0 zero
3 three
0 zero

Testing random numbers and random array choice.