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