[(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)]
[(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)]
