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