(U+10FFFD) is a Unicode private use from the Supplementary Private Use Area-B block. It resides on Plane 16 (PUA-B, Private Use Area-B), has bidirectional class L (left-to-right), 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.