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