Undefined Character (U+161DB)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖇛` `𖇛`
UTF-8 Encoding:	`0xF0 0x96 0x87 0x9B`
UTF-16 Encoding:	`0xD818 0xDDDB`
UTF-32 Encoding:	`0x000161DB`

References