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