Mongolian Swirl Birga With Double Ornament (U+1166B) is a Unicode other punctuation from the Mongolian Supplement 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.