22169434 96.3426 273.7840 28: substr( $q, 0, $k ) = reverse substr( $q, 0, $k ); 4500244 20.3415 55.0800 41: substr( $copy, $index - 1, 2 ) = reverse substr( $copy, $index -1, 2 ); 4037913 11.3571 43.1890 22: if( ord( $copy ) != 1 3265920 8.6338 35.9450 25: my $q = $copy; 3265920 9.1315 34.8530 34: push @max_sequence, $copy