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_fix ← { 𝕩 ≑ 𝕨 𝔽 𝕩 ? 𝕩 ; 𝕨 π•Š 𝕨 𝔽 𝕩 }
d←>'0'-Λœβ€’FLines"day15"

Lens ← {q←(βŠ‘βŒ½β‰’π•©)β₯Šβˆž β‹„ 𝕩 {π•©βŒŠπ•¨+(q»𝕩)⌊(q«𝕩)⌊(βˆžΒ»Λ˜π•©)⌊(βˆžΒ«Λ˜π•©)}_fix 0βŒΎβŠ‘ βˆžβŒˆπ•©}

β€’Show βŠ‘βŒ½Λ˜βŒ½ Lens d                       # 626
β€’Show βŠ‘βŒ½Λ˜βŒ½ Lens 9⊸|⌾(-⟜1)+∾(<d)++βŒœΛœβ†•5  # 2966
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-05-02 07:28:51 +0000