/usr/share/dx/samples/programs/Arrange.cfg is in dxsamples 4.2.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// time: Wed Apr 9 15:21:12 1997
//
// version: 3.1.1 (format), 3.1.4 (DX Beta)
//
// Message Window:
// window: position = (0.5,0.5), size = 0.4x0.4
//
// node Display[1]:
// depth: value = 24
// window: position = (0.3664,0.0635), size = 0.4797x0.4824
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