| line | !l | l&&!r | l&&r | condition | 
 
| 164 | 86 | 0 | 3 | $j == $nrow and $k == 0 | 
 
| 165 | 88 | 0 | 1 | $j == $nrow - 2 and $k == 0 | 
 
|  | 88 | 0 | 1 | $j == $nrow - 2 and $k == 0 and $ncol % 4 != 0 | 
 
| 166 | 88 | 0 | 1 | $j == $nrow - 2 and $k == 0 | 
 
|  | 88 | 1 | 0 | $j == $nrow - 2 and $k == 0 and $ncol % 8 == 4 | 
 
| 167 | 47 | 41 | 1 | $j == $nrow + 4 and $k == 2 | 
 
|  | 88 | 1 | 0 | $j == $nrow + 4 and $k == 2 and $ncol % 8 == 0 | 
 
| 168 | 42 | 47 | 921 | $j >= 0 and $k < $ncol | 
 
| 169 | 130 | 0 | 880 | $j < $nrow and $k >= 0 | 
 
|  | 130 | 2 | 878 | $j < $nrow and $k >= 0 and $$array[$j * $ncol + $k] == 0 | 
 
| 175 | 54 | 35 | 921 | $j < $nrow and $k >= 0 | 
 
| 176 | 42 | 92 | 876 | $j >= 0 and $k < $ncol | 
 
|  | 134 | 0 | 876 | $j >= 0 and $k < $ncol and $$array[$j * $ncol + $k] == 0 |