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