[(0,1),(1,2),(2,3),(3,4),(1,5),(3,5),(5,6),(2,7),(7,8),(8,9),(4,10),(6,11),(11,12),(10,13),(9,13),(9,14),(10,14),(4,15),(7,15),(14,16),(6,17),(8,18),(16,19),(12,20),(13,21),(17,21),(18,22),(19,23),(20,23),(15,24),(24,25),(11,26),(25,27),(22,28),(28,29),(19,30),(24,30),(23,31),(27,31),(25,32),(18,33),(32,34),(12,35),(33,36),(17,36),(31,37),(32,37),(29,38),(26,39),(16,40),(35,41),(20,42),(35,43),(22,44),(37,45),(36,46),(28,47),(34,48),(21,49),(33,50),(38,51),(0,52),(34,53),(30,54),(27,55),(26,56),(38,57),(29,58)]
[(0,1),(0,2),(2,3),(1,3),(2,4),(1,5),(4,6),(5,6),(6,7),(7,8),(5,9),(8,9),(3,10),(8,11),(10,12),(4,12),(10,13),(12,14),(14,15),(14,16),(15,16),(11,17),(9,18),(13,18),(17,19),(18,20),(20,21),(13,22),(7,23),(15,24),(21,25),(21,26),(22,26),(17,27),(23,28),(11,29),(29,30),(28,30),(25,31),(22,32),(32,33),(20,33),(30,34),(27,35),(33,35),(23,36),(36,37),(37,38),(38,39),(32,40),(24,41),(26,42),(34,43),(31,44),(38,45),(37,46),(31,47),(24,48),(34,49),(35,50),(19,51),(16,52),(29,53),(25,54),(28,55),(36,56),(27,57),(19,58)]
