Gihenoro is the 3rd absolutely smallest Bloxin hyper-zero. It's symbol is [*--*].
It exists within the interval ( -0 , 0 ), and presumably also exists in the intervals ( -([{}]) , +([{}]) ), ( -<><> , +<><> ), ( -" ' ^ ' " , +" ' ^ ' " ), and even ( -/.,.,.\ , +/.,.,.\ ).