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