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