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