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