1  &fras ⊣ &args
 2  
 3  ⍉⊜≡⋕⊸≠@\n
 4  
 5  Solve ← (
 6    ↯˜⊂⊣◡⋅⋅△+1⊙0
 7    /+⊣˜∧(↥⬚0↻¯1+×10◡⋅∘¤)
 8  )
 9  
10  ∩&p∩⌟Solve 12 2