Undefined Character (U+1E66C)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𞙬` `𞙬`
UTF-8 Encoding:	`0xF0 0x9E 0x99 0xAC`
UTF-16 Encoding:	`0xD839 0xDE6C`
UTF-32 Encoding:	`0x0001E66C`

References