M n mn

M n mnM n mnM n mnM n mn
M n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mn
M n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mn
M n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mn
M n mnM n mnM n mnM n mnM n mnM n mnM n mnM n mn