Undefined Character (U+1CD90)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𜶐` `𜶐`
UTF-8 Encoding:	`0xF0 0x9C 0xB6 0x90`
UTF-16 Encoding:	`0xD833 0xDD90`
UTF-32 Encoding:	`0x0001CD90`

References