I have a block of data extracted from a quantum mechanical calculation:

CARTESIAN COORDINATES (A.U.)
----------------------------
  NO LB      ZA    FRAG     MASS         X           Y           Z
   0 C     6.0000    0    12.011   -3.265636    0.198894    0.090858
   1 C     6.0000    0    12.011   -1.307161    1.522212    1.003463
   2 C     6.0000    0    12.011    1.213336    0.948208   -0.033373
   3 N     7.0000    0    14.007    3.238650    1.041523    1.301322
   4 C     6.0000    0    12.011   -5.954489    0.650878    0.803379
   5 C     6.0000    0    12.011    5.654476    0.480066    0.013757

where the number of lines depends upon the molecule being considered.

I want to extract the block of data starting on line 4 and column 4. Unfortunately, the only programming language in which I used to be competent in is Fortran. I have attempted researching this problem, but have only succeeded in increasing my mental entropy.

Help will be much appreciated.  Thanks in advance.

--
Stephen P. Molnar, Ph.D.                Life is a fuzzy set
www.molecular-modeling.net              Stochastic and multivariate
(614)312-7528 (c)
Skype: smolnar1
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