The ".input" files (the data sets) contain a set of points. In the first line, the number of points and the dimension of the space are indicated. From line 3 the points are listed one in a line.
The ".output" files (the results) contain the lower and upper bounds of the points in the corresponding ".input" files. In the first line, the name of the columns in the file are given. The index of the points starts from 1.