C:\>927370.pl
At ln 15, |CAL2345-06| has 10 characters
At ln 21, |CAL2X345-06| has 11 characters  <!-- first insert, X in wrong position
At ln 21, |CAL2XX345-06| has 12 characters
At ln 21, |CAL2XXX345-06| has 13 characters
At ln 21, |CAL2XXXX345-06| has 14 characters <!-- but we do get to 14, despite short orig.
At ln 15, |CALI123456-09| has 13 characters
At ln 21, |CALIX123456-09| has 14 characters <!-- 14 after extension
At ln 15, |FLOR1234567-01| has 14 characters <!-- 14 in original array

C:\>