>>> coups = M.coup_compose(17)
>>> coups
[(<__main__.Motif at 0x25ba11c4160>, (3, 2)),
 (<__main__.Motif at 0x25ba11c4730>, (3, 4)),
 (<__main__.Motif at 0x25ba124a100>, (5, 2)),
 (<__main__.Motif at 0x25ba12645b0>, (5, 4)),
 (<__main__.Motif at 0x25ba1193f10>, (5, 4)),
 (<__main__.Motif at 0x25ba1195d00>, (5, 2)),
 (<__main__.Motif at 0x25ba1196430>, (3, 4)),
 (<__main__.Motif at 0x25ba11c4700>, (3, 2))]