Hi all, I have a file with  20 columns of positive and negative  decimal
numbers (eg: 9.782 -8.983) separated by a black space, and everycolumn
is marked on top with an single alphabet letter.
This is an example.

A      D      C      B
9.782 -8.983 -3.483 -3.219
0.995 -0.330 9.994 -4.000

and, I would like to reorder them to look as follows.

A      B       C     D
9.782 -3.219 -3.483 -8.893
0.995 -4.000 9.994 -0.330

Any help, or suggestion will be welcomed.
Cheers
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PEDRO a. RECHE gallardo, pHD            TL: 617 632
3824
Scientist, Mol.Immnunol.Foundation,     FX: 617 632 3351
Dana-Farber Cancer Institute,           EM:
[EMAIL PROTECTED]
Harvard Medical School,                 URL: http://www.reche.org
44 Binney Street, D610C,
Boston, MA 02115
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