Undefined Character (U+1BF9)

Block:	Batak, U+1BC0 - U+1BFF^[1]
Plane:	Basic Multilingual Plane, U+0000 - U+FFFF^[1]
HTML Entity:	`᯹` `᯹`
UTF-8 Encoding:	`0xE1 0xAF 0xB9`
UTF-16 Encoding:	`0x1BF9`
UTF-32 Encoding:	`0x00001BF9`

References