Undefined Character (U+13DD9)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𓷙` `𓷙`
UTF-8 Encoding:	`0xF0 0x93 0xB7 0x99`
UTF-16 Encoding:	`0xD80F 0xDDD9`
UTF-32 Encoding:	`0x00013DD9`

References