P4p

P4pP4pP4pP4pP4pP4p
P4pP4pP4pP4pP4pP4p
P4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4pP4p