Missing glyphs: ↊ and ↋ for dozenal

# Missing turned digits 2 and 3 (↊ and ↋)

When using the dozenal system, you would count 1, 2, … 9, ↊, ↋, 10
Some people use a and b or other glyphs. But the dozenal society of Great Britain suggests ↊ and ↋ and they have unicode slots: U+218A (↊)
and
U+218B (↋).

To include them, all that needs to be done, is to put a copy of 2 or 3 in the unicode slots and turn them 180°.

Would make this font much more complete for me!

Should I post this issue in source-sans too?