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