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