[(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),(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)]
