Change a series of numbers when they start with 2
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 txt file, 
 When the series of numbers begins with 2, it takes into account the next 6 digits and those after the comma
 original txt example
 2230090048707,2
 2916220064167,2
 2031270035247,2
 2030330087752,2
 final result
 230090,2
 916220,2
 031270,2
 030330,2
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 This post is deleted!
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 See @Alan-Kilborn 's answer in your other identical question 
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 This post is deleted!
