Undefined Character (U+1CDBF)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𜶿` `𜶿`
UTF-8 Encoding:	`0xF0 0x9C 0xB6 0xBF`
UTF-16 Encoding:	`0xD833 0xDDBF`
UTF-32 Encoding:	`0x0001CDBF`

References