Undefined Character (U+167EF)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖟯` `𖟯`
UTF-8 Encoding:	`0xF0 0x96 0x9F 0xAF`
UTF-16 Encoding:	`0xD819 0xDFEF`
UTF-32 Encoding:	`0x000167EF`

References