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