[(0,1),(1,2),(0,2),(2,3),(1,3),(3,4),(4,5),(5,6),(6,7),(4,7),(5,8),(8,9),(6,9),(7,10),(10,11),(10,12),(8,12),(9,13),(11,14),(13,15),(15,16),(12,17),(13,17),(15,18),(11,18),(14,19),(19,20),(18,20),(16,21),(14,21),(19,22),(16,23),(23,24),(21,25),(24,25),(20,26),(26,27),(22,28),(17,29),(29,30),(23,31),(22,32),(26,33),(31,34),(28,35),(27,36),(33,37),(32,37),(35,38),(30,39),(24,39),(33,40),(32,40),(40,41),(39,42),(25,42),(36,43),(35,44),(41,45),(34,45),(45,46),(44,47),(46,48),(47,48),(42,49),(30,50),(27,50),(31,51),(43,51),(44,52),(37,53),(43,54),(38,55),(52,56),(56,57),(38,58),(53,59),(50,59),(57,60),(41,61),(61,62),(28,63),(54,63),(48,64),(52,64),(54,65),(34,66),(63,67),(60,68),(58,69),(51,70),(66,70),(68,71),(70,72),(61,72),(65,73),(64,74),(55,74),(62,75),(71,76),(58,77),(69,77),(76,78),(49,79),(75,79),(36,80),(75,80),(73,81),(56,82),(71,82),(59,83),(81,83),(47,84),(62,84),(80,85),(72,86),(67,86),(66,87),(87,88),(29,88),(76,89),(82,89),(68,90),(78,91),(60,92),(81,93),(91,94),(78,95),(74,95),(85,96),(79,97),(85,97),(94,98),(84,98),(69,99),(92,99),(98,100),(89,101),(97,102),(93,102),(49,103),(55,104),(101,104),(103,105),(101,106),(67,107),(83,108),(105,108),(87,109),(86,109),(94,110),(96,110),(108,111),(77,112),(107,113),(57,114),(104,114),(103,115),(112,115),(93,116),(114,117),(113,118),(117,118),(46,119),(53,120),(117,120),(92,121),(121,122),(116,123),(120,124),(95,124),(119,125),(65,125),(116,126),(118,127),(99,128),(109,129),(126,130),(102,130),(127,131),(124,132),(100,132),(132,133),(73,134),(105,135),(123,135),(133,136),(125,136),(122,137),(111,137),(129,138),(128,139),(111,139),(131,140),(138,141),(106,142),(90,142),(140,143),(140,144),(126,144),(110,145),(107,145),(113,146),(138,147),(141,148),(88,149),(133,150),(96,151),(122,151),(147,152),(119,153),(148,154),(91,155),(143,156),(150,156),(149,157),(146,158),(134,159),(134,160),(121,161),(159,161),(160,162),(148,162),(150,163),(158,163),(151,164),(158,165),(145,166),(130,166),(152,167),(152,168),(112,168),(168,169),(106,169),(163,170),(159,170),(161,171),(100,172),(171,173),(153,174),(149,175),(115,176),(155,176),(167,177),(164,178),(166,179),(146,179),(129,180),(180,181),(160,181),(153,182),(154,182),(180,183),(183,184),(144,184),(175,185),(128,185),(157,186),(173,187),(181,187),(169,188),(123,188),(142,189),(185,189),(127,190),(164,191),(191,192),(189,192),(139,193),(147,193),(175,194),(165,195),(171,196),(141,197),(193,198),(198,199),(162,199),(170,200),(137,200),(182,201),(195,202),(172,202),(174,203),(200,203),(174,204),(190,205),(204,206),(194,207),(201,207),(202,208),(157,209),(177,209),(131,210),(192,211),(187,211),(207,212),(196,212),(186,213),(154,213),(176,214),(206,214),(201,215),(90,216),(191,216),(196,217),(210,218),(215,218),(155,219),(173,219),(197,220),(212,221),(143,222),(220,223),(210,224),(216,225),(167,225),(184,226),(211,227),(165,228),(186,228),(225,229),(221,229),(209,230),(208,231),(156,231),(230,232),(226,233),(214,234),(229,234),(231,235),(135,235),(218,236),(215,237),(136,238),(177,239),(227,239),(195,240),(232,241),(220,241),(204,242),(197,243),(240,244),(233,245),(199,246),(227,246),(244,247),(241,247),(236,248),(239,249),(221,250),(203,251),(190,252),(213,253),(242,254),(172,255),(228,256),(206,257),(243,258),(245,259),(226,260),(208,261),(247,262),(237,263),(243,264),(222,265),(205,266),(246,267),(205,268),(245,269),(188,270),(235,271),(217,272),(238,273),(223,274),(236,275),(234,276),(244,277),(198,278),(223,279),(240,280),(179,281),(237,282),(232,283),(238,284),(230,285),(248,286),(217,287),(233,288),(242,289),(248,290),(178,291),(183,292),(222,293),(224,294),(224,295),(219,296),(194,297),(178,298)]
[(0,1),(1,2),(0,2),(2,3),(1,3),(3,4),(4,5),(5,6),(6,7),(4,7),(5,8),(8,9),(6,9),(7,10),(10,11),(10,12),(8,12),(9,13),(11,14),(13,15),(15,16),(12,17),(13,17),(15,18),(11,18),(14,19),(19,20),(18,20),(16,21),(14,21),(19,22),(16,23),(23,24),(21,25),(24,25),(20,26),(26,27),(22,28),(17,29),(29,30),(23,31),(22,32),(26,33),(31,34),(28,35),(27,36),(33,37),(32,37),(35,38),(30,39),(24,39),(33,40),(32,40),(40,41),(39,42),(25,42),(36,43),(35,44),(41,45),(34,45),(45,46),(44,47),(46,48),(47,48),(42,49),(30,50),(27,50),(31,51),(43,51),(44,52),(37,53),(43,54),(38,55),(52,56),(56,57),(38,58),(53,59),(50,59),(57,60),(41,61),(61,62),(28,63),(54,63),(48,64),(52,64),(54,65),(34,66),(63,67),(60,68),(58,69),(51,70),(66,70),(68,71),(70,72),(61,72),(65,73),(64,74),(55,74),(62,75),(71,76),(58,77),(69,77),(76,78),(49,79),(75,79),(36,80),(75,80),(73,81),(56,82),(71,82),(59,83),(81,83),(47,84),(62,84),(80,85),(72,86),(67,86),(66,87),(87,88),(29,88),(76,89),(82,89),(68,90),(78,91),(60,92),(81,93),(91,94),(78,95),(74,95),(85,96),(79,97),(85,97),(94,98),(84,98),(69,99),(92,99),(98,100),(89,101),(97,102),(93,102),(49,103),(55,104),(101,104),(103,105),(101,106),(67,107),(83,108),(105,108),(87,109),(86,109),(94,110),(96,110),(108,111),(77,112),(107,113),(57,114),(104,114),(103,115),(112,115),(93,116),(114,117),(113,118),(117,118),(46,119),(53,120),(117,120),(92,121),(121,122),(116,123),(120,124),(95,124),(119,125),(65,125),(116,126),(118,127),(99,128),(109,129),(126,130),(102,130),(127,131),(124,132),(100,132),(132,133),(73,134),(105,135),(123,135),(133,136),(125,136),(122,137),(111,137),(129,138),(128,139),(111,139),(131,140),(138,141),(106,142),(90,142),(140,143),(140,144),(126,144),(110,145),(107,145),(113,146),(138,147),(141,148),(88,149),(133,150),(96,151),(122,151),(147,152),(119,153),(148,154),(91,155),(143,156),(150,156),(149,157),(146,158),(134,159),(134,160),(121,161),(159,161),(160,162),(148,162),(150,163),(158,163),(151,164),(158,165),(145,166),(130,166),(152,167),(152,168),(112,168),(168,169),(106,169),(163,170),(159,170),(161,171),(100,172),(171,173),(153,174),(149,175),(115,176),(155,176),(167,177),(164,178),(166,179),(146,179),(129,180),(180,181),(160,181),(153,182),(154,182),(180,183),(183,184),(144,184),(175,185),(128,185),(157,186),(173,187),(181,187),(169,188),(123,188),(142,189),(185,189),(127,190),(164,191),(191,192),(189,192),(139,193),(147,193),(175,194),(165,195),(171,196),(141,197),(193,198),(198,199),(162,199),(170,200),(137,200),(182,201),(195,202),(172,202),(174,203),(200,203),(174,204),(190,205),(204,206),(194,207),(201,207),(202,208),(157,209),(177,209),(131,210),(192,211),(187,211),(207,212),(196,212),(186,213),(154,213),(176,214),(206,214),(201,215),(90,216),(191,216),(196,217),(210,218),(215,218),(155,219),(173,219),(197,220),(212,221),(143,222),(220,223),(210,224),(216,225),(167,225),(184,226),(211,227),(165,228),(186,228),(225,229),(221,229),(209,230),(208,231),(156,231),(230,232),(226,233),(214,234),(229,234),(231,235),(135,235),(218,236),(215,237),(136,238),(177,239),(227,239),(195,240),(232,241),(220,241),(204,242),(197,243),(240,244),(233,245),(199,246),(227,246),(244,247),(241,247),(236,248),(239,249),(221,250),(203,251),(190,252),(213,253),(242,254),(172,255),(228,256),(206,257),(243,258),(245,259),(226,260),(208,261),(247,262),(237,263),(243,264),(222,265),(205,266),(246,267),(205,268),(245,269),(188,270),(235,271),(217,272),(238,273),(223,274),(236,275),(234,276),(244,277),(198,278),(223,279),(240,280),(179,281),(237,282),(232,283),(238,284),(230,285),(248,286),(217,287),(233,288),(242,289),(248,290),(178,291),(183,292),(222,293),(224,294),(224,295),(219,296),(194,297),(178,298)]
