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