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