# tests scan on a matrix checking for overflow in tail elements 8‿16‿32 {e𝕊n‿w: m←2⋆e-2 ⋄ (m⊸+⌾(⟨¯1,w|n⟩⊸⊑) ⌽‿w⥊(n+w+1)⥊m) ≡ +` •internal.Squeeze ↑‿w⥊ (w⥊m)∾(n⥊0)∾m}⌜ 1+↕200‿65