Revert "merged"

This reverts commit 1f68631de4decf4faf5e00fc491520b10391cf92.
Revert " fucking 160 godadamn test cases. moving backwards"

This reverts commit c15f6edd6086102d45b391820bf82a9afe705b4e.
Revert "number 168"

This reverts commit c0bb0e1c25075617c80a21d23e5cef5442f0f9ae.