Undefined Character (U+161A9)

Plane:	Supplementary Multilingual Plane, U+10000 - U+1FFFF^[1]
HTML Entity:	`𖆩` `𖆩`
UTF-8 Encoding:	`0xF0 0x96 0x86 0xA9`
UTF-16 Encoding:	`0xD818 0xDDA9`
UTF-32 Encoding:	`0x000161A9`

References