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