| line | !l | l&&!r | l&&r | condition | 
 
| 49 | 0 | 0 | 6 | defined $_[0] and length $_[0] | 
 
| 67 | 1 | 1 | 84 | defined $x and length $x | 
 
| 98 | 68 | 0 | 67 | defined $_ && length $_ | 
 
| 108 | 32 | 0 | 13 | defined $_[0] and length $_[0] | 
 
| 115 | 33 | 0 | 12 | defined $_[0] and length $_[0] | 
 
| 124 | 3 | 0 | 71 | defined $_[0] and length $_[0] | 
 
|  | 3 | 0 | 71 | defined $_[0] and length $_[0] and $_[0] =~ /^\d+$/s | 
 
| 148 | 0 | 0 | 9 | defined $_[0] and length $_[0] | 
 
|  | 0 | 0 | 9 | defined $_[0] and length $_[0] and $_[0] =~ /^\d+$/s | 
 
| 168 | 2 | 1 | 6 | $chunks[-1][1] == 0 and $chunks[-1][0] < 100 | 
 
| 178 | 3 | 0 | 6 | $and and @chunks > 1 | 
 
| 183 | 7 | 1 | 1 | @chunks == 2 and not $and |