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