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