initial = [178189, 91289, 90707, 55476, 54757, 27877, 22378, 12312, 8908, 
    7845, 944, 613]
difference = [132247, 45347, 44765, 9534, 8815, -18064, -23563, -33629, 
    -37033, -38096, -44997, -45328]
Impossible-to-find bug in a program that equalizes wealth in a group (UVA 10137, "The Trip")