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