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