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