The document contains a grid of letters that do not form coherent words or sentences. The letters are arranged in rows and columns without obvious meaning or message. Additional symbols and numbers are included without context.

1. P G A H
R O L E
E
O N U R
F Z M R
E Á N E
S L O R
O E A
S
R Z
C
G O
A S
R M
I
C E
Í S
A
A
J L
A D
A I
M
O
E
9AM7
HISTORIA DE LA
ARQUITECTURA