Undefined Character (U+161DD)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖇝` `𖇝`
UTF-8 Encoding:	`0xF0 0x96 0x87 0x9D`
UTF-16 Encoding:	`0xD818 0xDDDD`
UTF-32 Encoding:	`0x000161DD`

References