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