@vtchakarova These twins, dear Velina, according to the Greek Mythology, are Gods' twins, of Zeus (ΖΕΥΣ) and his wife Hera (ΗΡΑ) representing a celestial balance of the "Sun and Moon", as you nicely mentioned.
@Umama11_ A wider pelvis in a woman than that of a man could give the answer (and scull, as well).
The image does not help showing differences.
The question was made in order to "play" in a different way.
@ClarkAn35988337@TXBABAYAGA @Jindo_1307979 @Qudsia_Malik33 The zero becomes 11 if you take 2 sticks from it and offers one more 1 (which needs two sticks to be made. Not just one.