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