u ← 1 0j1 +.× ? 2 20⍴10 x ← u[?1e4 3⍴≢u] y ← u[?1e4 3⍴≢u] hz ← {⍳⍨ ⍉cluster⍤1⍉ |⍵} (x⍳y) ≡ x hz HASH y 1 cmpx 'x hz HASH y' 'x⍳y' x hz HASH y → 3.50E¯2 | 0% ⎕ x⍳y → 1.39E0 | +3875% ⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕⎕