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