/usr/share/siscone/examples/events/two-collinear.dat is in siscone-examples 2.0.6-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | -0.8807412236 -1.2331262152 -157.4313156510 157.4393822839
-0.8807412236 -1.2331262152 -157.4313156510 157.4393822839
|