# OK for analysis
#
# statistics:
#    min_x = 1.0
#    max_x = 7.0
#    min_y = 0.0
#    max_y = 0.0
#    n = 7
#    centroid = 4.0
#
# x y
1 0
2 0
3 0
4 0
5 0
6 0
7 0
