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