Undefined Character (U+16EE9)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖻩` `𖻩`
UTF-8 Encoding:	`0xF0 0x96 0xBB 0xA9`
UTF-16 Encoding:	`0xD81B 0xDEE9`
UTF-32 Encoding:	`0x00016EE9`

References