Undefined Character (U+1D2C9)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𝋉` `𝋉`
UTF-8 Encoding:	`0xF0 0x9D 0x8B 0x89`
UTF-16 Encoding:	`0xD834 0xDEC9`
UTF-32 Encoding:	`0x0001D2C9`

References