[(0,1),(0,2),(1,2),(1,3),(2,4),(4,5),(3,6),(4,6),(6,7),(5,7),(3,8),(8,9),(9,10),(10,11),(8,12),(7,13),(12,13),(9,14),(11,15),(14,15),(10,16),(14,17),(16,17),(5,18),(16,18),(12,19),(11,19),(13,20),(20,21),(17,22),(18,23),(20,23),(21,24),(19,24),(24,25),(21,25),(23,26),(22,26),(22,27),(26,28),(25,28),(15,29),(29,30),(27,30),(30,31),(29,31),(31,32),(28,33),(32,33),(33,34),(27,35),(34,35),(32,36),(35,37),(37,38),(34,38),(38,39),(37,40),(39,40),(36,41),(36,42),(41,42),(42,43),(41,43),(43,44),(40,44),(39,45),(44,46),(45,47),(45,48),(47,49),(46,49),(48,50),(46,50),(48,51),(51,52),(50,52),(51,53),(49,54),(53,54),(54,55),(47,56),(55,57),(56,57),(53,58),(52,58),(56,59),(59,60),(59,61),(57,61),(61,62),(58,62),(55,63),(60,63),(63,64),(60,65),(62,66),(65,67),(64,67),(65,68),(64,69),(68,70),(67,70),(69,71),(68,71),(71,72),(70,73),(69,74),(72,75),(74,76),(75,77),(76,77),(77,78),(66,79),(73,80),(80,81),(80,82),(78,83),(74,84),(81,84),(75,85),(85,86),(66,87),(73,87),(79,88),(83,89),(76,89),(88,90),(81,90),(83,91),(85,92),(82,93),(78,93),(88,94),(92,94),(91,95),(93,96),(95,96),(95,97),(82,97),(91,98),(94,99),(99,100),(98,100),(98,101),(86,102),(90,102),(101,103),(102,103),(87,104),(92,105),(100,106),(104,107),(103,107),(79,108),(108,109),(99,110),(107,110),(72,111),(101,112),(110,113),(109,114),(112,115),(108,115),(104,116),(112,117),(117,118),(84,118),(96,119),(114,120),(111,121),(97,122),(118,123),(86,124),(109,125),(114,126),(113,127),(89,128),(116,129),(115,130),(106,131),(116,132),(111,133),(106,134),(117,135),(105,136),(105,137),(113,138)]
[(0,1),(1,2),(0,3),(3,4),(2,4),(1,5),(2,5),(4,6),(6,7),(6,8),(8,9),(7,10),(8,11),(10,12),(11,12),(5,13),(12,14),(13,15),(7,16),(9,16),(13,17),(11,18),(18,19),(15,20),(19,20),(14,21),(21,22),(19,23),(14,24),(21,24),(17,25),(15,25),(25,26),(9,26),(18,27),(22,27),(24,28),(27,28),(23,29),(22,30),(23,30),(20,31),(10,32),(31,33),(29,33),(32,34),(29,34),(16,35),(35,36),(17,37),(30,37),(31,38),(26,39),(32,40),(39,40),(35,41),(38,41),(28,42),(36,43),(37,44),(38,45),(43,46),(39,47),(33,47),(46,48),(45,48),(40,49),(47,50),(45,51),(49,52),(36,53),(44,53),(43,54),(3,54),(50,55),(44,56),(50,56),(42,57),(48,58),(51,59),(56,60),(55,61),(58,62),(61,63),(51,64),(52,65),(34,66),(49,66),(65,67),(64,67),(66,68),(52,69),(53,69),(63,70),(46,71),(62,71),(42,72),(71,73),(61,74),(41,75),(72,76),(62,77),(59,78),(60,78),(73,79),(75,80),(59,81),(67,81),(81,82),(55,82),(57,83),(77,83),(70,84),(58,84),(80,85),(68,86),(74,86),(84,87),(72,87),(83,88),(65,88),(68,89),(74,90),(85,90),(57,91),(78,91),(89,92),(63,92),(85,93),(76,93),(75,94),(69,94),(80,95),(79,96),(77,96),(92,97),(90,98),(70,98),(73,99),(64,100),(54,100),(96,101),(76,101),(93,102),(88,103),(95,103),(99,104),(60,104),(102,105),(100,106),(89,106),(87,107),(94,108),(106,108),(98,109),(107,110),(95,111),(97,112),(105,112),(109,113),(104,114),(112,115),(102,115),(114,116),(111,116),(113,117),(110,118),(101,118),(110,119),(114,120),(117,121),(103,122),(82,123),(91,124),(111,125),(107,126),(118,127),(115,128),(108,129),(97,130),(79,131),(117,132),(109,133),(105,134),(113,135),(116,136),(99,137),(86,138)]
