i would suggest you take a deep look for logical errors... it happened to me also ... errors are most likely to be found in expressions where your variable names are different than the code youre comparing
... otherwise ...
use chat gpt ... it may suggest some minor changes that you may have missed

I've found something similar too!

Adding more sophisticated tests would also force a change in requirements. Even then, the change adds maybe 3 lines to the required code.

yes you're right..tests are too easy

I expect more sophisticated tests like "{ as(d)( ) ss {_} }". Current tests are too easy

Print inputs and you will see failing tests. Hidden tests are by definition hidden, sorry for that but it is the normal rule:-(

Actually, the rules of 'sliding' are shown in description, and there the condition mentioned above is clear

Ty. not obvious condition for me

The text representation of the pyramid is not well aligned. In this alignment, you are only allowed to go straight-down or right-down, not left-down.

Hi. max score is 1116, not 1074. white line - http://imgur.com/3cOuGei Test is wrong.