Undefined Character (U+161C4)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖇄` `𖇄`
UTF-8 Encoding:	`0xF0 0x96 0x87 0x84`
UTF-16 Encoding:	`0xD818 0xDDC4`
UTF-32 Encoding:	`0x000161C4`

References