Undefined Character (U+11868)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𑡨` `𑡨`
UTF-8 Encoding:	`0xF0 0x91 0xA1 0xA8`
UTF-16 Encoding:	`0xD806 0xDC68`
UTF-32 Encoding:	`0x00011868`

References