Undefined Character (U+167FF)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖟿` `𖟿`
UTF-8 Encoding:	`0xF0 0x96 0x9F 0xBF`
UTF-16 Encoding:	`0xD819 0xDFFF`
UTF-32 Encoding:	`0x000167FF`

References