| cntr1 | cntr2 |                             plus |                            minus |      diff          |
| int   | int   |                             char |                             char |      char          |
       0       1 2mass-atlas-990214n-j1100256.fits  2mass-atlas-990214n-j1110021.fits  diff.000.001.fits
       0       9 2mass-atlas-990214n-j1100256.fits  2mass-atlas-990214n-j1100244.fits  diff.000.009.fits
       1       2 2mass-atlas-990214n-j1110021.fits  2mass-atlas-990214n-j1110032.fits  diff.001.002.fits
       1       3 2mass-atlas-990214n-j1110021.fits  2mass-atlas-990214n-j1180244.fits  diff.001.003.fits
       1       4 2mass-atlas-990214n-j1110021.fits  2mass-atlas-990214n-j1180256.fits  diff.001.004.fits
       1       9 2mass-atlas-990214n-j1110021.fits  2mass-atlas-990214n-j1100244.fits  diff.001.009.fits
       2       3 2mass-atlas-990214n-j1110032.fits  2mass-atlas-990214n-j1180244.fits  diff.002.003.fits
       2       9 2mass-atlas-990214n-j1110032.fits  2mass-atlas-990214n-j1100244.fits  diff.002.009.fits
       3       4 2mass-atlas-990214n-j1180244.fits  2mass-atlas-990214n-j1180256.fits  diff.003.004.fits
       3       5 2mass-atlas-990214n-j1180244.fits  2mass-atlas-990214n-j1190021.fits  diff.003.005.fits
       3       6 2mass-atlas-990214n-j1180244.fits  2mass-atlas-990214n-j1190032.fits  diff.003.006.fits
       4       5 2mass-atlas-990214n-j1180256.fits  2mass-atlas-990214n-j1190021.fits  diff.004.005.fits
       5       6 2mass-atlas-990214n-j1190021.fits  2mass-atlas-990214n-j1190032.fits  diff.005.006.fits
       5       7 2mass-atlas-990214n-j1190021.fits  2mass-atlas-990214n-j1200244.fits  diff.005.007.fits
       5       8 2mass-atlas-990214n-j1190021.fits  2mass-atlas-990214n-j1200256.fits  diff.005.008.fits
       6       7 2mass-atlas-990214n-j1190032.fits  2mass-atlas-990214n-j1200244.fits  diff.006.007.fits
       7       8 2mass-atlas-990214n-j1200244.fits  2mass-atlas-990214n-j1200256.fits  diff.007.008.fits