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