Raw ← &fras"01.in"
Lines ← ⊜(□/⊂⊂:⊙⊂.⊢"_")≠@\n.Raw
One ← /+≡(⋕[⊃⊢(⊢⇌)⊏⊂.⊚≤⊢"9".°□])
Nums ← ⊜□≠@ ."★ one two three four five six seven eight nine"
Find ← ⊢⊏⍏≡(⊢⇌).⊚≡⊐⌕ Nums
Replace ← □$"___":⊙:⊙(⊐↘ + 1) ⊙(⊙(:⊐↙):.⊙.)⊃⊢(⊢⇌) Find .
ReplaceAll ← ;:⍢(⊙⊙; ⊃(⍣Replace(;:))∘) (¬≍) : {}
Two ← One ≡ReplaceAll
⊃One Two Lines