How can I differentiate Dina and Arina?

PROFILE
Dina has a mole near her right ear.
Arina has the same mole but down and in certain types of photos not seen.

DINA

ARINA


FACE
Dina has a very small freckle on her forehead.
Arina has a freckle on the bottom left side of the lower lip.
Furthermore, Arina has a red speck under her right eye.

DINA

ARINA

BOTH

RIGHT ARM
Dina has a freckle.
Arina had no freckles, now has two.

DINA

ARINA

CHEST
Arina has a freckle on the left chest. You can see if she carries the black training jersey tops.
Dina has no freckle.

ARINA

DINA