W x H (cm)
 
A 4 x 3
B 9 x 8 
C 12 x 9 
D 16 x 15
E 19 x 16 
F 23 x 21
G 27 x 25
H 33 x30
I 37 x 32
J 40 x 33
K 43 x 35
L 46 x 38
M 50 x 41