Twelve of them are covered over head with semi-domes; viz. the two middle and two extream ones on each side.
49bolelele ba mathule ya eba tswe tse mashome a mabedi, le bophara ya eba tswe tse leshome le metso e mmedi; ho ne ho nyolohelwa teng ka methati e leshome; ho na le ditshiya teng pela ditshiya tse ding, e nngwe ka kwano, e nngwe ka kwana.