Cemetery Puzzle - Void of Light

[キラウラ]

Does anyone have a solution on how to beat it? Every time I attempt I leave 1 tile of light... I've been at this for an hour too.

[Segroeg]

start at the center tile then ← ← ↑ ↑ ↑ ↑ ↑ → → → ↓ ← ↓ ← ↓ → ↓ → ↓ → ↑ ↑ ↑ ← ↑ → ↑
How can i put some spoliers on this ?

[キラウラ]

Thank you so much!

And to do spoilers you do it like text here [/] without the spaces in the brackets.

[Segroeg]

You're welcome, just have to take a look at my notepad, have fun !