mm.....................................mm..................aaaaaaaa...................ddddddddddddd
mmm.............................mmm......................aa.....aa....................dddddddddddddddd
mm..mm..................mm..mm....................aa.......aa...................ddd.................................ddd
mm....mm..............mm....mm...................aa..........aa.................ddd.....................................ddd
mm.......mm........mm.......mm..................aa............aa................ddd........................................ddd
mm...........mmmm...........mm.................aaaaaaaaaa...............ddd..........................................ddd
mm...............mm...............mm...............aaaaaaaaaaa..............ddd..........................................ddd
mm.................m.................mm..............aa..................aa.............ddd........................................ddd
mm.....................................mm..............aa...................aa............ddd......................................ddd
mm......................................mm............aa.....................aa...........ddd...................................ddd
mm......................................mm...........aa.......................aa.............dddddddddddddddd
mm......................................mm......aaaaaaa...........aaaaaaaa.....dddddddddddddd