$ perl -w 718972.pl
+---------+---------+--------+---------+
|         | CLEANED | SORTED | PROCEED |
+---------+---------+--------+---------+
| ./case1 | x       | x      |         |
| ./case2 | x       | x      |         |
| ./case3 | x       | x      |         |
| ./case4 | x       | x      |         |
| ./case5 | x       | x      |         |
| ./case6 | x       |        |         |
| ./case7 | x       |        |         |
| ./case8 | x       |        | x       |
| ./case9 | x       |        | x       |
+---------+---------+--------+---------+