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