Raw ← &fras"05.ex"
Nums ← ⊜⋕≠@ .
Last ← 0_0_∞
Lines ← ↘1⊜(□↙-1⧻.⊜□≠@\n.)≠@:.Raw
Seeds ← Nums⊐↘1⊢⊢Lines
Maps ← ≡(□⍜⍉(⊂:⊂⊟⊃⊃(/+↘1)(¯/-↙2)(/+⊏0_2).)⊂:Last⊐≡Nums)↘1Lines
One ← /↧∧⊐(≡(⊏⊃(⊢⊚⊏1)⊢)⍉⊠(⊂⊃(+⊏4)(×⊃(<⊏3)(≥⊏1))))
One Maps Seeds