Ga7-5			Ga7-6	Ga7-7	Ga7-8	Ga7-9	Ga7-10
Kb4-10			Kb4-11	Kb4-12	Kb4-13		Kb4-14
Eb5-21	Eb5-22	Eb5-23					Eb5-24

I guess not only that Ga7-9 shows an arm with a hand, but also that the 'hand with the thumb as another hand' in Eb5-21 gives us reason to think of hands also in Ga7-5 and Kb4-10.