Undefined Character (U+16A81)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖪁` `𖪁`
UTF-8 Encoding:	`0xF0 0x96 0xAA 0x81`
UTF-16 Encoding:	`0xD81A 0xDE81`
UTF-32 Encoding:	`0x00016A81`

References