/main_solution4/
drwxr-xr-x [up]
-rw-r--r-- 2020-11-04 15:35 +0000 6563 knight2.jar
-rw-r--r-- 2020-11-04 15:35 +0000 2759 knight2.scala
-rw-r--r-- 2020-11-04 15:35 +0000 5826 knight3.jar
-rw-r--r-- 2020-11-04 15:35 +0000 1750 knight3.scala