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