X N T M XXEE HHNNHNNNN NNMENXXXXTTTTTTTTTNHXMHNXXXMXXMX HN MHTTTTTTHM N N NHH M N HM N HN MN NM HM XH M M HM N XH M NNNM HM MMMMMMMNMMMMM NNNM HM MNMMMMMMMMMHMM M HM HMMMNMMMNMNMMMHMMMMMNMMHMMMHH N NN NT NH M MH NMMMMMMMMXNMMMMHMMMMMNMNFMMMH N X H MN N H NHN XNTTTH M NN N H NN HTTN HT TTHTNTT HHMMMMNH X H M H HMMMHN NMTH X H M HN NH H RNM X H MN H NHN MMMMMMMXMXXMMMMMMMXXMMMMXMMM