Bug with arrows

[Jarno458]

I maybe wrong, but I expect this to not be a valid solution?

this is a custom puzzle i generated myzelf tho

[sigma144]

Ah. That's a known issue with the way I did arrows. Right now if your solution line does not pass by an empty square in an arrows panel, it counts as solved (even thought that's not intended). I will look into writing another implementation soon that doesn't have this issue.