[(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),(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)]
