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