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