black large circle minus upper quarter section
U+1CC6C
black large circle minus right quarter section
U+1CC6D
black large circle minus lower quarter section
U+1CC6E
right half and left half white circle
U+1CE00
lower half and upper half white circle
U+1CE01
top justified lower half white circle
U+1FBE0
right justified left half white circle
U+1FBE1
bottom justified upper half white circle
U+1FBE2
left justified right half white circle
U+1FBE3
top justified lower half black circle
U+1FBE8
right justified left half black circle
U+1FBE9
bottom justified upper half black circle
U+1FBEA
left justified right half black circle
U+1FBEB
top right justified lower left quarter black circle
U+1FBEC
bottom left justified upper right quarter black circle
U+1FBED
bottom right justified upper left quarter black circle
U+1FBEE
top left justified lower right quarter black circle
U+1FBEF