[(0,1),(1,2),(0,3),(1,3),(3,4),(2,5),(5,6),(4,7),(5,8),(4,9),(8,10),(7,11),(11,12),(8,13),(10,13),(6,14),(14,15),(9,16),(7,17),(16,18),(18,19),(12,20),(6,21),(20,22),(13,23),(22,24),(22,25),(20,26),(9,27),(12,28),(15,29),(14,30),(17,31),(15,32),(21,33),(17,34),(21,35),(11,36),(18,37),(19,38),(19,39),(2,40),(10,41),(16,42)]
[(0,1),(0,2),(1,3),(3,4),(2,4),(1,5),(3,6),(6,7),(5,8),(2,8),(8,9),(9,10),(10,11),(4,12),(12,13),(7,14),(13,15),(11,16),(10,17),(17,18),(17,19),(9,20),(15,21),(18,22),(5,23),(21,24),(14,25),(21,26),(22,27),(15,28),(13,29),(16,30),(14,31),(6,32),(11,33),(19,34),(7,35),(20,36),(22,37),(20,38),(12,39),(16,40),(18,41),(19,42)]
