L's in L's

The following pictures show L's (with short side 1) packed inside the smallest known L (with short side s).

1.
2.-4.
5.

s = 1
Trivial.
s = 2
Trivial.
s = 5/2 = 2.5
Found by Maurizio Morandi
in July 2012.

6.
7.-9.
10.

s = 1 + 4√2/3 = 2.885+
Found by Maurizio Morandi
in July 2012. s = 3
Trivial.
s = 7/2 = 3.5
Found by Maurizio Morandi
in July 2012.

11.
12.
13.-16.

s = 7/3 + √2 = 3.747+
Found by Maurizio Morandi
in July 2012. s = (19 + 9√2) / 8 = 3.965+
Found by Maurizio Morandi
in July 2012. s = 4
Trivial.

1.		2.-4.		5.
s = 1 Trivial.		s = 2 Trivial.		s = 5/2 = 2.5 Found by Maurizio Morandi in July 2012.

6.		7.-9.		10.
s = 1 + 4√2/3 = 2.885+ Found by Maurizio Morandi in July 2012.		s = 3 Trivial.		s = 7/2 = 3.5 Found by Maurizio Morandi in July 2012.

11.		12.		13.-16.
s = 7/3 + √2 = 3.747+ Found by Maurizio Morandi in July 2012.		s = (19 + 9√2) / 8 = 3.965+ Found by Maurizio Morandi in July 2012.		s = 4 Trivial.