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