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