If they have functions that for example reads from forward then backward or vice...

Frummy on Dec 1, 2023 | parent | context | favorite | on: Advent of Code 2023 is nigh

If they have functions that for example reads from forward then backward or vice versa while changing the structure of the row, one test will pass but the other won't. It's a lot of rows in the input and it took a lot of time for me personally to debug to understand what went wrong