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