Leftmost derivation and rightmost derivation for

(a, (a, a)) Leftmost derivation:

S	$$\Rightarrow$$	L
	$$\Rightarrow$$	(E)
	$$\Rightarrow$$	(E, S)
	$$\Rightarrow$$	(S, S)
	$$\Rightarrow$$	(a, S)
	$$\Rightarrow$$	(a, L)
	$$\Rightarrow$$	(a,(E))
	$$\Rightarrow$$	(a,(E, S))
	$$\Rightarrow$$	(a,(S, S))
	$$\Rightarrow$$	(a,(a, S))
	$$\Rightarrow$$	(a,(a, a))

Rightmost derivation:

S	$$\Rightarrow$$	L
	$$\Rightarrow$$	(E)
	$$\Rightarrow$$	(E, S)
	$$\Rightarrow$$	(E, L)
	$$\Rightarrow$$	(E,(E))
	$$\Rightarrow$$	(E,(E, S))
	$$\Rightarrow$$	(E,(E, a))
	$$\Rightarrow$$	(E,(S, a))
	$$\Rightarrow$$	(E,(a, a))
	$$\Rightarrow$$	(S,(a, a))
	$$\Rightarrow$$	(a,(a, a))