[(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),(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)]
