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