[(0,1),(0,2),(1,3),(3,4),(4,5),(2,6),(5,7),(6,8),(6,9),(9,10),(4,11),(10,12),(12,13),(1,14),(11,15),(8,16),(12,16),(15,17),(14,18),(13,19),(10,20),(18,20),(7,21),(19,22),(11,23),(2,24),(3,25),(15,26),(17,27),(9,28),(20,29),(22,30),(21,31),(18,32),(5,33),(19,34),(7,35),(16,36),(13,37),(17,38),(22,39),(21,40),(8,41),(14,42)]
[(0,1),(1,2),(1,3),(0,4),(3,5),(2,6),(6,7),(5,8),(7,9),(9,10),(10,11),(9,12),(4,13),(5,14),(6,15),(3,16),(2,17),(13,18),(12,19),(15,19),(18,20),(16,21),(8,21),(20,22),(12,23),(14,24),(7,25),(17,26),(8,27),(17,28),(10,29),(18,30),(21,31),(11,32),(4,33),(11,34),(14,35),(22,36),(22,37),(13,38),(19,39),(20,40),(15,41),(16,42)]
