| line | !l | l&&!r | l&&r | condition | 
 
| 144 | 0 | 0 | 0 | @list and $list[0][1] < $from | 
 
| 147 | 0 | 0 | 0 | @list and $list[0][1] == $from | 
 
|  | 0 | 0 | 0 | @list and $list[0][1] == $from and $list[0][0] < $from | 
 
| 151 | 0 | 0 | 0 | $i < @list and $list[$i][0] < $to | 
 
| 164 | 0 | 0 | 0 | @list and $list[0][0] < $from | 
 
| 168 | 0 | 0 | 0 | @list and $list[0][0] < $to | 
 
|  | 0 | 0 | 0 | @list and $list[0][0] < $to and $list[0][1] <= $to | 
 
| 200 | 0 | 0 | 0 | @input and $input[0][0] < $from | 
 
|  | 0 | 0 | 0 | @input and $input[0][0] < $from and $input[0][1] <= $from | 
 
| 203 | 0 | 0 | 0 | @input and $input[0][0] < $from | 
 
| 207 | 0 | 0 | 0 | @input and $input[0][0] < $to | 
 
|  | 0 | 0 | 0 | @input and $input[0][0] < $to and $input[0][1] <= $to | 
 
| 211 | 0 | 0 | 0 | @input and $input[0][0] < $to | 
 
| 234 | 0 | 0 | 0 | not $nojoin and $out[-1][1] == $top->[0] | 
 
|  | 0 | 0 | 0 | not $nojoin and $out[-1][1] == $top->[0] and @$top < 3 || $out[-1][2] == $top->[2] |