Undefined Character (U+10E21)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𐸡` `𐸡`
UTF-8 Encoding:	`0xF0 0x90 0xB8 0xA1`
UTF-16 Encoding:	`0xD803 0xDE21`
UTF-32 Encoding:	`0x00010E21`

References