(motive : ℕ → Alignment → Sort u_1) →
  (w : ℕ) →
    (a : Alignment) →
      ((x : Alignment) → motive 0 x) →
        ((x : Alignment) → motive 1 x) →
          ((n : ℕ) → motive n.succ.succ Alignment.left) →
            ((n : ℕ) → motive n.succ.succ Alignment.right) →
              ((n : ℕ) → motive n.succ.succ Alignment.center) → motive w a