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