9 4 2 < input/inp.15
9 3 9 < input/inp.100
2 2 5 < input/inp.25
 2 5 2 < input/dat421
 2 1 1 < input/dat228
 3 5 3 < input/dat626
1 2 1 < input/dat581
1 2 2 < input/dat557
