3 7 4 < input/inp.28
 0 0 0 < input/tc.77
 0 0 0 < input/tc.240
5  6  7  < input/lu21
7  10  1  < input/lu281
6 4 8 < input/bdt.82
2 5 6 < input/ft.30
8 6  < input/ft.1
