Undefined Character (U+105DF)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𐗟` `𐗟`
UTF-8 Encoding:	`0xF0 0x90 0x97 0x9F`
UTF-16 Encoding:	`0xD801 0xDDDF`
UTF-32 Encoding:	`0x000105DF`

References