Failed to solve the following constraints:
  _19 := λ k f → refl [blocked on problem 24]
  [24, 27] _14 (k = k) f = suc (f (_14 (k = k) (λ x → k))) : Nat
Unsolved metas at the following locations:
  NotStronglyRigidOccurrence.agda:14,16-17
  NotStronglyRigidOccurrence.agda:16,12-16
