About LEFTWARDS ARROW AND UPPER AND LOWER ONE EIGHTH BLOCK
Leftwards Arrow And Upper And Lower One Eighth Block (U+1FBB5) is a Unicode other symbol from the Symbols for Legacy Computing block. It resides on Plane 1 (SMP, Supplementary Multilingual Plane), has bidirectional class ON (other neutrals), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as 🮵 or 🮵. Because it is outside the Basic Multilingual Plane, proper font support is required; otherwise a fallback box may be shown.