[(0,1),(0,2),(2,3),(1,4),(2,4),(3,5),(5,6),(4,7),(7,8),(5,9),(8,10),(9,11),(7,11),(8,12),(3,13),(6,14),(10,15),(14,15),(14,16),(12,16),(13,17),(16,18),(18,19),(10,20),(20,21),(1,21),(18,22),(6,23),(22,24),(17,24),(23,25),(12,25),(11,26),(26,27),(17,28),(24,29),(26,30),(20,31),(28,32),(22,32),(9,33),(19,33),(33,34),(19,35),(30,36),(15,37),(35,37),(27,38),(38,39),(23,40),(13,41),(39,41),(27,42),(39,43),(42,43),(30,44),(38,44),(32,45),(31,46),(25,46),(44,47),(29,48),(46,49),(36,50),(35,51),(40,52),(31,53),(48,54),(51,54),(50,55),(45,56),(54,57),(36,58),(52,59),(47,60),(53,61),(41,62),(45,62),(59,63),(51,63),(34,64),(42,64),(29,65),(21,66),(57,66),(63,67),(65,67),(59,68),(43,69),(48,70),(53,71),(62,71),(67,72),(50,72),(61,73),(49,74),(55,74),(73,75),(34,76),(68,77),(71,78),(77,79),(65,79),(47,80),(76,81),(74,81),(57,82),(80,82),(55,83),(40,84),(56,84),(76,85),(64,85),(70,86),(80,87),(87,88),(56,88),(82,89),(52,90),(58,90),(77,91),(75,92),(78,93),(88,94),(68,95),(92,95),(61,96),(49,96),(94,97),(79,97),(72,98),(93,99),(37,100),(58,101),(60,101),(101,102),(60,103),(86,103),(93,104),(95,105),(28,106),(98,107),(102,107),(69,108),(91,109),(105,109),(96,110),(87,110),(78,111),(69,112),(94,112),(86,113),(112,113),(81,114),(89,115),(73,116),(70,117),(90,118),(75,118),(103,119),(114,120),(104,121),(120,121),(114,122),(115,122),(83,123),(107,124),(111,125),(118,126),(85,127),(113,128),(84,129),(116,129),(100,130),(124,131),(109,132),(117,132),(121,133),(104,134),(106,135),(105,135),(128,136),(126,136),(120,137),(110,137),(99,138),(124,138),(99,139),(97,140),(108,141),(117,142),(138,142),(134,143),(100,144),(123,145),(111,146),(131,147),(133,147),(133,148),(134,149),(127,149),(131,150),(147,150),(142,151),(128,151),(122,152),(66,152),(108,153),(151,153),(129,154),(123,154),(83,155),(144,155),(89,156),(136,157),(150,158),(130,159),(143,160),(158,161),(157,162),(98,162),(158,163),(115,163),(132,164),(157,164),(146,165),(130,165),(164,166),(160,167),(156,167),(106,168),(162,169),(125,170),(159,171),(153,172),(168,172),(161,173),(171,174),(174,175),(139,175),(152,176),(160,177),(145,177),(148,178),(176,178),(154,179),(137,180),(127,181),(102,181),(148,182),(163,183),(180,183),(165,184),(178,185),(141,186),(126,186),(170,187),(159,188),(91,189),(166,189),(189,190),(167,191),(188,191),(145,192),(92,192),(181,193),(190,193),(187,194),(140,195),(182,196),(194,196),(135,197),(197,198),(184,198),(195,199),(190,200),(192,200),(200,201),(199,201),(179,202),(156,202),(169,203),(176,204),(191,205),(205,206),(173,207),(166,208),(186,209),(174,210),(206,211),(206,212),(196,213),(125,214),(195,215),(173,215),(193,216),(210,216),(182,217),(119,217),(197,218),(141,219),(139,220),(146,221),(217,222),(199,222),(204,223),(212,224),(216,224),(224,225),(203,226),(155,227),(202,228),(219,229),(207,229),(203,230),(185,231),(175,232),(211,233),(231,234),(185,234),(229,235),(215,236),(235,237),(230,238),(140,239),(213,240),(180,241),(187,241),(232,242),(221,243),(221,244),(225,245),(220,246),(231,246),(209,247),(204,248),(241,248),(237,249),(245,250),(213,251),(248,252),(225,253),(228,253),(226,254),(207,255),(252,256),(210,257),(198,258),(257,259),(242,260),(249,261),(218,262),(260,263),(177,264),(143,265),(262,265),(245,266),(227,266),(259,267),(235,268),(251,268),(258,269),(214,270),(249,271),(269,272),(258,273),(268,273),(201,274),(254,274),(244,275),(247,275),(257,276),(255,277),(270,278),(240,279),(226,280),(230,281),(209,282),(144,283),(273,284),(267,285),(278,286),(282,287),(119,288),(244,289),(211,290),(279,290),(264,291),(233,292),(242,292),(208,293),(271,294),(261,295),(243,296),(291,297),(227,297),(247,298),(238,298),(266,299),(223,300),(237,301),(284,302),(287,303),(240,304),(233,305),(283,306),(256,307),(278,308),(218,309),(238,310),(170,311),(281,312),(246,313),(214,314),(169,315),(284,316),(259,317),(264,318),(239,319),(255,320),(290,321),(183,322),(243,323),(285,324),(194,325),(172,326),(232,327),(269,328),(298,329),(236,330),(272,331),(254,332),(272,333),(212,334),(277,335),(292,336),(275,337),(261,338),(236,339),(294,340),(265,341),(208,342),(288,343),(293,344),(276,345),(222,346),(219,347),(239,348),(289,349),(294,350),(296,351),(296,352),(250,353),(184,354),(223,355),(270,356),(287,357),(279,358),(276,359),(179,360),(256,361),(188,362),(283,363),(280,364),(116,365),(220,366),(205,367),(277,368),(285,369),(267,370),(228,371),(274,372),(289,373),(280,374),(168,375),(297,376),(234,377),(252,378),(253,379),(260,380),(251,381),(295,382),(281,383),(291,384),(295,385),(288,386),(250,387),(263,388),(293,389),(286,390),(149,391),(262,392),(161,393),(171,394),(286,395),(282,396),(263,397),(271,398)]
[(0,1),(0,2),(1,2),(2,3),(1,3),(3,4),(4,5),(5,6),(5,7),(6,8),(7,9),(7,10),(10,11),(8,11),(11,12),(8,12),(10,13),(9,14),(13,15),(14,15),(9,16),(16,17),(16,18),(15,19),(4,20),(20,21),(13,21),(18,22),(22,23),(19,23),(22,24),(18,25),(21,25),(6,26),(23,27),(26,28),(24,28),(28,29),(24,29),(29,30),(20,31),(30,31),(25,32),(30,33),(31,34),(32,34),(17,35),(19,35),(33,36),(32,37),(34,38),(17,38),(36,39),(27,39),(38,40),(37,41),(40,42),(41,42),(41,43),(43,44),(27,44),(43,45),(26,45),(33,46),(37,47),(47,48),(44,48),(45,49),(35,49),(39,50),(12,51),(46,52),(40,52),(50,53),(42,54),(53,54),(46,55),(47,56),(56,57),(54,57),(55,58),(48,59),(55,60),(14,61),(36,61),(49,62),(57,63),(51,63),(62,64),(53,65),(61,66),(63,67),(58,68),(64,69),(66,69),(58,70),(60,71),(65,71),(51,72),(70,73),(66,74),(59,75),(52,75),(72,76),(70,77),(75,77),(64,78),(77,78),(78,79),(73,80),(68,81),(50,81),(72,82),(56,82),(67,83),(79,84),(73,85),(67,86),(74,86),(85,87),(71,88),(86,88),(62,89),(60,90),(89,90),(84,91),(80,91),(69,92),(82,92),(68,93),(84,94),(89,94),(59,95),(94,95),(87,96),(79,97),(83,98),(91,99),(90,100),(97,101),(95,102),(93,102),(76,103),(76,104),(101,105),(98,106),(96,106),(98,107),(100,108),(96,108),(74,109),(108,110),(99,111),(107,111),(106,112),(110,113),(104,113),(111,114),(83,114),(101,115),(85,116),(112,117),(102,118),(105,119),(112,120),(93,121),(103,122),(117,123),(122,124),(113,124),(121,125),(122,126),(119,126),(92,127),(127,128),(100,129),(115,129),(88,130),(129,131),(103,131),(118,132),(124,133),(120,134),(114,135),(117,136),(97,137),(120,138),(109,139),(80,139),(118,140),(109,141),(140,142),(121,142),(138,143),(143,144),(128,145),(142,146),(128,147),(141,148),(146,149),(148,150),(116,151),(149,152),(148,152),(99,153),(149,153),(136,154),(104,155),(135,156),(132,157),(156,158),(153,158),(155,159),(151,160),(125,161),(143,162),(135,162),(87,163),(160,163),(126,164),(150,165),(144,166),(164,166),(133,167),(105,168),(157,169),(145,170),(155,171),(167,171),(158,172),(160,172),(169,173),(171,173),(169,174),(138,175),(130,175),(174,176),(152,176),(172,177),(159,178),(139,178),(163,179),(164,180),(178,181),(137,182),(168,182),(123,183),(125,184),(165,185),(145,185),(185,186),(186,187),(159,188),(147,189),(183,189),(140,190),(188,191),(115,192),(157,193),(182,194),(81,195),(193,196),(127,197),(191,198),(132,198),(136,199),(197,199),(196,200),(150,200),(119,201),(192,202),(110,203),(130,204),(202,205),(151,206),(194,207),(206,208),(204,208),(176,209),(146,209),(174,210),(210,211),(187,211),(166,212),(180,213),(161,214),(65,214),(162,215),(179,216),(156,217),(199,218),(107,218),(167,219),(209,219),(184,220),(177,220),(147,221),(191,221),(181,222),(133,222),(219,223),(215,224),(223,225),(188,226),(137,226),(225,227),(196,228),(123,229),(227,230),(213,231),(206,232),(229,233),(211,233),(170,234),(179,234),(207,235),(207,236),(236,237),(173,238),(212,238),(205,239),(141,240),(227,241),(229,242),(231,243),(193,244),(213,245),(134,245),(187,246),(240,247),(220,248),(186,249),(203,250),(215,251),(247,252),(189,253),(231,254),(253,254),(250,255),(217,256),(200,257),(208,257),(249,258),(202,259),(216,259),(218,260),(233,261),(237,261),(194,262),(168,262),(230,263),(165,263),(237,264),(243,265),(144,265),(226,266),(242,267),(195,267),(131,268),(203,269),(255,269),(225,270),(251,271),(190,272),(258,273),(248,273),(246,274),(232,275),(216,276),(275,277),(201,278),(265,278),(241,279),(234,280),(240,281),(177,282),(198,283),(262,284),(260,284),(252,285),(281,285),(280,286),(266,286),(264,287),(266,288),(195,289),(271,289),(249,290),(235,291),(205,292),(175,292),(274,293),(254,293),(292,294),(228,295),(221,296),(184,297),(276,298),(282,299),(250,300),(276,301),(251,302),(214,303),(288,304),(288,305),(247,306),(223,307),(230,308),(192,309),(252,310),(228,311),(201,312),(290,313),(161,314),(236,315),(260,316),(239,317),(256,318),(277,319),(204,320),(296,321),(197,322),(284,323),(190,324),(248,325),(246,326),(259,327),(264,328),(258,329),(224,330),(297,331),(296,332),(232,333),(256,334),(239,335),(287,336),(281,337),(283,338),(282,339),(217,340),(244,341),(134,342),(180,343),(289,344),(297,345),(283,346),(253,347),(255,348),(270,349),(272,350),(238,351),(272,352),(286,353),(291,354),(291,355),(295,356),(268,357),(290,358),(267,359),(293,360),(244,361),(298,362),(279,363),(295,364),(271,365),(242,366),(273,367),(241,368),(274,369),(243,370),(287,371),(270,372),(268,373),(298,374),(285,375),(257,376),(210,377),(183,378),(269,379),(280,380),(261,381),(222,382),(245,383),(116,384),(277,385),(224,386),(294,387),(212,388),(275,389),(278,390),(154,391),(154,392),(294,393),(181,394),(170,395),(235,396),(263,397),(279,398)]
