use v5.14;

say unpack( 'x15A2' ) =~ s/^\s+|\s+$//gr while <DATA>;

__DATA__
      1234 2321 0      45    1st
      2122 sdsa 0   0  34    
      2313 dsad        43    2nd    
      1232 ffff 0   0        1st 
      3213 sadf     0  34    
      2133 dada 0            2nd