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