⌾
𝔽⌾𝔾 𝕩
𝕨 𝔽⌾𝔾 𝕩
𝔾
𝔽
Where 𝔾 must be
1. A function invertible by ⁼ (Undo) 2. A structural modification
⁼
9⌾(1⊸⊑) 1‿2‿3 ⟨ 1 9 3 ⟩ √⁼ (√1) + (√9) 16 1 +⌾√ 9 16