E M NHMM N NTTTT N NN HMH MMMMM M HMMMMMMMH H M M H H H M HT N TTH MHTTTTT TTT M HXXH M H H M E H H M N H N H M N H H N M N HMM HM XMXMXMXMXMXMXMX N HN H M HMM HMH R M NM H N HMH N NN M NM HMM HMH M MMM M N H HMH M X NHN HMH M X XXXXX HMH N NM HMH MMMMMMMM N N N HMHN N N MMMMMMMMMMMMMMMMMMMMMM MMMMMMMMMMMMMMMMMMMMMM