M and n 1

M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1
M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1
M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1M and n 1