Undefined Character (U+13DFE)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓷾` `𓷾`
UTF-8 Encoding:	`0xF0 0x93 0xB7 0xBE`
UTF-16 Encoding:	`0xD80F 0xDDFE`
UTF-32 Encoding:	`0x00013DFE`

References