Need specific spacing in output from python script

import csv
 
data = """\
***************************************************************
* THIS FILE CONTAINS THE VALUES OF THE PARAMETERS REQUIRED    *
* FOR THE GEOMOD MODULE, WHICH AUTOMATICALLY IS GENERATED IN  *
* IDRISI. STRONGLY RECOMMEND REEDITING IN IDRISI IF NECESSARY.*
***************************************************************
 
TIME TO BEGIN GEOMOD, INCLUSIVE         :    2001
TIME TO END GEOMOD, INCLUSIVE           :    2016
TIME STEP IN TIME UNITS                 :    1
 
# NEIGHBORS AWAY TO SEARCH,0=NO NIBBLE  :    1
WRITE DEBUG OUTPUT TO LOG FILE,YES=1    :    0
NAME OF STRATA/MASK IMAGE               :    N/A
NAME OF INITIAL LANDUSE IMAGE           :    gr_lc_01b_%03d_fp
DO ENVIR. IMPACT ANALYSIS? 1=YES, 0=NO  :    0
CMP/READ SUITABILITY SCORES(0=CP,1=RD)  :    1
NUMBER OF RUNS ONCE                     :    1
SUITABILITY IMAGE FOR SIMULATION 1      :    c2_mce_%03d
DO VALIDATION ANALYSIS? 1=YES, 0=NO     :    0
SINCE NO VALIDATION IMAGE, LANDUSE CHANGE INFO READ FROM FOLLOWS:
                                  LANDUSE STATE 1       LANDUSE STATE 2
RGNVAL          REGION NAME    # CELLS      BEGIN        END      BEGIN        END
     1             Region 1    %s        %s     %s      %s      %s
 
# OF TIMES OF OUTPUT BESIDE END TIME    :    0
NAME OF OUTPUT LANDUSE IMAGE            :    %s
"""
 
fin = open("c:\\temp\\temp2\\spreadsheet.csv", "rb")  # must be open in binary mode
reader = csv.reader(fin)                 # open reader -- it will parse the csv lines
cnt = 0
 
for cell in reader:                      # through all lines in spreadsheet
    cnt += 1                             # increment the counter
    filename = "output_%03d.gmd" % cnt   # build the filename
    fout = open(filename, "w")           # open the output file for writing
    fout.write(data % (cnt, cnt, 
                       cell[0], cell[1], cell[2], cell[3], cell[4], 
                       filename))
    fout.close()    # close the output file after writing the content
 
fin.close()         # close the spreadsheet