⋮⋮⋮⋮ ⱯℛŦ ⋮⋮⋮
⋮⋮⋮ ⱯℛŦ ⊕
⋮⋮⋮ ⱯℛŦ ²
⋮⋮ ∞ ⱯℛŦ