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sub led{
  ($b=pop)=~y/0-9.\-\0-~/\0-\cK/d;
...


print led @ARGV ? shift : "19QQ86\t-- \@0134.72x-0(?)";

($b=pop)=~y/-0-9./\0-\cK/;join$/,
map{join$",('X   ',$"x4,'   X','X  X','X'x4)[(/./g)[unpack'C*',$b]]}
142443444441,(132223002331)x2,432444442441,(132022232321)x2,1 .424x4
,""