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