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