Undefined Character (U+13866)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓡦` `𓡦`
UTF-8 Encoding:	`0xF0 0x93 0xA1 0xA6`
UTF-16 Encoding:	`0xD80E 0xDC66`
UTF-32 Encoding:	`0x00013866`

References