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