Combi←{(<𝕩)/˜¨𝕨(⊢/˜⊣=+´¨∘⊢)⥊↕2⥊˜≠𝕩}
(0=+´¨)⊸/3 Combi ⟨-25, -10, -7, -3, 2, 4, 8, 10⟩