Undefined Character (U+11977)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𑥷` `𑥷`
UTF-8 Encoding:	`0xF0 0x91 0xA5 0xB7`
UTF-16 Encoding:	`0xD806 0xDD77`
UTF-32 Encoding:	`0x00011977`

References