 1 4 1 < input/dat311
 2 3 2 < input/dat324
1 2 10 < input/inp.40
7  8  9  < input/lu355
5 9 3 < input/add.320
3 9 4 < input/inp.41
 5 1 2 < input/dat469
7 8 1 < input/ft.25
