1⎕IO ← 0 2a1 ← 1 1 3b1 ← 1 4a2 ← 1 0 1 0 5b2 ← 1 0 1 1 6 7solve ← {{((1+⌊2⍟⍵)⍴2)⊤⍵}(2⊥⍺)+2⊥⍵} 8 9a1 solve b1 10a2 solve b2