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