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