Undefined Character (U+161FF)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖇿` `𖇿`
UTF-8 Encoding:	`0xF0 0x96 0x87 0xBF`
UTF-16 Encoding:	`0xD818 0xDDFF`
UTF-32 Encoding:	`0x000161FF`

References