is /prog/ smart enough to crack this cipher?

1051541451431641621571721571511441234567881234567812345678123678326470547
2999999259923478990124999995689902993413269916749953349999914649932724997
2994567809912568990139956799809929936781467998299634699818991169966144990
2999994569970124995699801323459999012615302799995324993243699019923412993
2994567801993569980299356780239999456725634569974326992644399243992369936
2994567801992689901239967899029939945745315319931253399436998011992349950
2998012345299999388352999991039953991232012479934673289999982640499999415

Step1: Highlight the numbers
Step2: Ctrl and F
Step3: Put 9 in
Step4: Enjoy

>>12

s/\([0-9]\)\1\{1\}/##/g