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