Undefined Character (U+13709)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓜉` `𓜉`
UTF-8 Encoding:	`0xF0 0x93 0x9C 0x89`
UTF-16 Encoding:	`0xD80D 0xDF09`
UTF-32 Encoding:	`0x00013709`

References