Undefined Character (U+10DC9)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𐷉` `𐷉`
UTF-8 Encoding:	`0xF0 0x90 0xB7 0x89`
UTF-16 Encoding:	`0xD803 0xDDC9`
UTF-32 Encoding:	`0x00010DC9`

References