| line | l | !l&&r | !l&&!r | condition | 
 
| 22 | 0 | 8 | 0 | $sw_size ||= $self->sw_size | 
 
| 23 | 0 | 8 | 0 | $min_interval ||= $self->min_interval | 
 
| 187 | 0 | 3 | 0 | $sw_size ||= $self->sw_size | 
 
| 188 | 0 | 3 | 0 | $maximal_distance ||= $self->max_out_distance | 
 
| 245 | 0 | 2 | 0 | $sw_size ||= $self->sw_size | 
 
| 246 | 0 | 2 | 0 | $maximal_distance ||= $self->max_out_distance | 
 
| 311 | 0 | 3 | 0 | $sw_size ||= $self->sw_size | 
 
| 312 | 0 | 3 | 0 | $maximal_distance ||= $self->max_in_distance | 
 
| 374 | 0 | 3 | 0 | $sw_size ||= $self->sw_size | 
 
| 375 | 0 | 3 | 0 | $maximal_distance ||= $self->max_in_distance | 
 
| 437 | 0 | 3 | 0 | $sw_size ||= $self->sw_size | 
 
| 438 | 0 | 3 | 0 | $maximal_distance ||= $self->max_out_distance | 
 
| 554 | 0 | 3 | 0 | $sw_size ||= $self->sw_size | 
 
| 555 | 0 | 3 | 0 | $maximal_distance ||= $self->max_out_distance | 
 
| 643 | 1 | 2 | 0 | $sw_size ||= $self->sw_size |