fix arena sheet, again
fix arena sheet, again

prettier prevented me from writing `(n - 1) || 1`,
reformatting it to `n - 1 || 1`, even tho the operator
precendence treats it as `n - (1 || 1)`, breaking it.

arex1337/lila,luanlv/lila,luanlv/lila,luanlv/lila,arex1337/lila,arex1337/lila,luanlv/lila,luanlv/lila,arex1337/lila,arex1337/lila,luanlv/lila,luanlv/lila,arex1337/lila,arex1337/lila