[(0,1),(1,2),(0,2),(2,3),(1,4),(3,5),(5,6),(5,7),(4,7),(3,8),(8,9),(8,10),(6,11),(7,12),(10,12),(12,13),(4,14),(11,15),(6,16),(14,16),(13,17),(14,17),(15,18),(16,18),(18,19),(17,20),(13,20),(10,21),(19,22),(9,22),(19,23),(15,24),(21,25),(11,25),(24,26),(9,27),(27,28),(20,29),(26,30),(28,31),(23,31),(31,32),(27,32),(32,33),(22,34),(21,35),(35,36),(33,37),(26,38),(28,39),(29,40),(25,40),(39,41),(23,42),(38,43),(30,43),(41,44),(24,45),(45,46),(39,47),(29,47),(47,48),(37,49),(38,49),(48,50),(44,51),(50,52),(44,53),(52,54),(33,55),(35,56),(42,56),(50,57),(48,58),(46,59),(58,59),(51,60),(37,60),(57,61),(53,61),(41,62),(40,63),(42,64),(54,65),(45,66),(36,66),(43,67),(56,68),(36,68),(57,69),(30,69),(55,70),(68,71),(71,72),(69,72),(58,73),(70,74),(61,74),(65,75),(60,75),(62,76),(70,77),(63,78),(52,79),(54,80),(71,81),(62,82),(80,83),(55,84),(72,85),(67,86),(83,87),(46,88),(53,89),(73,90),(87,90),(83,91),(82,92),(79,93),(77,93),(82,94),(63,94),(80,95),(89,96),(91,96),(90,97),(86,97),(34,98),(92,98),(91,99),(97,99),(87,100),(98,101),(92,102),(94,103),(64,103),(74,104),(101,105),(88,105),(73,106),(96,106),(104,107),(93,108),(65,108),(64,109),(102,109),(84,110),(110,111),(89,112),(86,113),(105,114),(85,115),(95,115),(95,116),(34,117),(49,117),(104,118),(113,119),(79,119),(51,120),(99,121),(84,121),(100,122),(111,122),(81,123),(116,123),(111,124),(76,125),(112,126),(119,126),(115,127),(88,128),(81,129),(110,129),(120,130),(67,130),(117,131),(122,132),(114,133),(103,133),(108,134),(130,135),(123,135),(131,136),(100,137),(127,137),(133,138),(132,139),(134,140),(107,141),(139,142),(127,143),(129,144),(137,145),(131,146),(66,147),(135,147),(136,148),(134,149),(59,150),(128,151),(146,152),(124,153),(125,154),(116,155),(75,156),(140,157),(120,158),(78,159),(148,160),(142,161),(140,162),(106,163),(113,164),(143,165),(144,166),(121,167),(109,168),(118,169),(118,170),(145,171),(114,172),(136,173),(107,174),(126,175),(128,176),(132,177),(139,178),(76,179),(144,180),(125,181),(148,182),(101,183),(78,184),(112,185),(146,186),(85,187),(142,188),(77,189),(145,190),(143,191),(138,192),(138,193),(102,194),(141,195),(147,196),(124,197),(141,198)]
[(0,1),(1,2),(0,2),(2,3),(3,4),(1,5),(4,5),(4,6),(3,7),(7,8),(8,9),(5,10),(8,11),(9,12),(11,12),(10,13),(11,13),(6,14),(13,14),(7,15),(15,16),(9,16),(6,17),(12,17),(16,18),(18,19),(10,20),(20,21),(20,22),(21,22),(15,23),(22,23),(17,24),(18,25),(24,25),(25,26),(19,26),(24,27),(21,28),(27,28),(23,29),(29,30),(30,31),(27,31),(29,32),(31,33),(28,34),(33,35),(26,36),(32,36),(14,37),(32,38),(30,38),(34,39),(36,39),(37,40),(35,40),(37,41),(33,41),(39,42),(38,43),(43,44),(19,45),(42,45),(34,46),(41,47),(35,48),(46,49),(47,50),(42,51),(50,52),(51,52),(50,53),(46,53),(52,54),(44,55),(45,55),(49,56),(40,56),(54,57),(48,58),(47,58),(56,59),(55,60),(49,60),(44,61),(54,62),(61,63),(63,64),(62,65),(57,65),(63,66),(64,67),(43,67),(67,68),(68,69),(68,70),(64,70),(59,71),(59,72),(60,73),(66,73),(72,74),(73,74),(66,75),(51,75),(74,76),(61,76),(71,77),(70,77),(72,78),(75,79),(79,80),(57,80),(80,81),(58,82),(78,83),(78,84),(62,85),(77,86),(84,87),(87,88),(83,88),(81,89),(85,90),(76,91),(91,92),(81,93),(79,93),(92,94),(94,95),(88,95),(82,96),(95,97),(82,98),(92,98),(90,99),(99,100),(85,101),(48,101),(71,102),(98,103),(65,104),(93,104),(90,105),(89,105),(102,106),(91,107),(84,108),(100,108),(87,109),(94,110),(103,111),(111,112),(112,113),(86,114),(109,114),(110,115),(101,116),(115,117),(116,118),(97,119),(118,120),(120,121),(96,121),(97,122),(119,122),(111,123),(106,123),(103,124),(100,125),(122,125),(119,126),(108,127),(106,128),(118,129),(89,130),(107,131),(124,132),(112,133),(131,134),(115,135),(69,136),(107,137),(113,138),(125,139),(96,140),(127,141),(105,141),(53,142),(86,143),(133,144),(136,144),(121,145),(126,145),(123,146),(126,147),(146,148),(116,149),(138,150),(129,151),(137,152),(132,153),(142,154),(143,155),(140,156),(145,157),(143,158),(69,159),(117,160),(127,161),(137,162),(141,163),(133,164),(110,165),(147,166),(130,167),(146,168),(138,169),(128,170),(134,171),(135,172),(140,173),(131,174),(117,175),(130,176),(148,177),(144,178),(120,179),(113,180),(114,181),(139,182),(129,183),(83,184),(102,185),(139,186),(99,187),(148,188),(135,189),(124,190),(104,191),(132,192),(142,193),(136,194),(134,195),(147,196),(128,197),(109,198)]
