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