It seems that in some fonts the Braille space (code point 0x2800) is not the same width as the other Braille characters. On this Windows computer it seems that

It seems that in some fonts the Braille space (code point 0x2800) is not the same width as the other Braille characters. On this Windows computer it seems that "Segoe UI Symbol", a Microsoft font, is being used by default, and has that problem.