input←>•FLines"input" Slide←{ sinds←¯1∾/'#'=𝕩 inds←∾(≠↑sinds˙)⊸+1+↕¨≠¨⊔1-˜+˝sinds<⌜/'O'=𝕩 'O'˙¨⌾(inds⊸⊏) '#'˙¨⌾((1↓sinds)⊸⊏) (≠𝕩)⥊'.' } Load←+´((⌽1+(↕≠))×(+´˘'O'⊸=)) •Show Load Slide˘⌾⍉ input Cycle←{Slide˘⌾(⌽˘) Slide˘⌾(⍉⌽) Slide˘ Slide˘⌾⍉ 𝕩} c←{(