A    XXXXXXXXXXXXXXXXXX    A
B   XXXXXX XXXXXXXXXXXXXXXXXX XXXXXX   B
C   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   C
D   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   D
E   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   E
F   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   F
G   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   G
H   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   H
I   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   I
J   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   J
K   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   K
L   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   L
M   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   M
N   XXXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXXX   N
O   XXXXXXX XXXXXXXXXXXXXXXXXX XXXXXXX   O
P   XXXXXX XXXXXXXXXXXXXXXXXX XXXXXX   P
Q   XXXXXXXXXXXXXXXXXXXXXXXX   Q
R   XXXXXXXXXX   R