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