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