Undefined Character (U+1421C)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𔈜` `𔈜`
UTF-8 Encoding:	`0xF0 0x94 0x88 0x9C`
UTF-16 Encoding:	`0xD810 0xDE1C`
UTF-32 Encoding:	`0x0001421C`

References