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