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