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