Undefined Character (U+13F66)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓽦` `𓽦`
UTF-8 Encoding:	`0xF0 0x93 0xBD 0xA6`
UTF-16 Encoding:	`0xD80F 0xDF66`
UTF-32 Encoding:	`0x00013F66`

References