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