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