World USA Colorado Boulder County Boulder China Sichuan Chengdu America North America Eurasia Asia 0 World 0 USA 0 Colorado 0 Boulder County 0 Boulder 5 Boulder China 0 Sichuan 0 Chengdu 8 Chengdu America 0 North America 0 Eurasia 0 Asia 0 0 World 0 USA 0 Colorado 0 Boulder County 4 Boulder County Boulder 4 Boulder County China 0 Sichuan 0 Chengdu 0 America 0 North America 0 Eurasia 0 Asia 0 0 World 0 USA 0 Colorado 3 Colorado Boulder County 3 Colorado Boulder 3 Colorado China 0 Sichuan 7 Sichuan Chengdu 7 Sichuan America 0 North America 0 Eurasia 0 Asia 0 0 World 0 USA 2 USA Colorado 2 USA Boulder County 2 USA Boulder 2 USA China 6 China Sichuan 6 China Chengdu 6 China America 0 North America 0 Eurasia 0 Asia 0 0 World 0 USA 10 North America Colorado 10 North America Boulder County 10 North America Boulder 10 North America China 12 Asia Sichuan 12 Asia Chengdu 12 Asia America 9 America North America 10 North America Eurasia 11 Eurasia Asia 12 Asia 0 World 0 USA 9 America Colorado 9 America Boulder County 9 America Boulder 9 America China 11 Eurasia Sichuan 11 Eurasia Chengdu 11 Eurasia America 9 America North America 9 America Eurasia 11 Eurasia Asia 11 Eurasia 0 World 4294967295 USA 330000000 Colorado 5700000 Boulder County 330000 Boulder 100000 China 1500000000 Sichuan 83000000 Chengdu 20000000 America 1000000000 North America 600000000 Eurasia 4294967295 Asia 4294967295 is not in is not in World is not in USA is not in Colorado is not in Boulder County is not in Boulder is not in China is not in Sichuan is not in Chengdu is not in America is not in North America is not in Eurasia is not in Asia World is not in World is in World World is not in USA World is not in Colorado World is not in Boulder County World is not in Boulder World is not in China World is not in Sichuan World is not in Chengdu World is not in America World is not in North America World is not in Eurasia World is not in Asia USA is not in USA is in World USA is in USA USA is not in Colorado USA is not in Boulder County USA is not in Boulder USA is not in China USA is not in Sichuan USA is not in Chengdu USA is in America USA is in North America USA is not in Eurasia USA is not in Asia Colorado is not in Colorado is in World Colorado is in USA Colorado is in Colorado Colorado is not in Boulder County Colorado is not in Boulder Colorado is not in China Colorado is not in Sichuan Colorado is not in Chengdu Colorado is in America Colorado is in North America Colorado is not in Eurasia Colorado is not in Asia Boulder County is not in Boulder County is in World Boulder County is in USA Boulder County is in Colorado Boulder County is in Boulder County Boulder County is not in Boulder Boulder County is not in China Boulder County is not in Sichuan Boulder County is not in Chengdu Boulder County is in America Boulder County is in North America Boulder County is not in Eurasia Boulder County is not in Asia Boulder is not in Boulder is in World Boulder is in USA Boulder is in Colorado Boulder is in Boulder County Boulder is in Boulder Boulder is not in China Boulder is not in Sichuan Boulder is not in Chengdu Boulder is in America Boulder is in North America Boulder is not in Eurasia Boulder is not in Asia China is not in China is in World China is not in USA China is not in Colorado China is not in Boulder County China is not in Boulder China is in China China is not in Sichuan China is not in Chengdu China is not in America China is not in North America China is in Eurasia China is in Asia Sichuan is not in Sichuan is in World Sichuan is not in USA Sichuan is not in Colorado Sichuan is not in Boulder County Sichuan is not in Boulder Sichuan is in China Sichuan is in Sichuan Sichuan is not in Chengdu Sichuan is not in America Sichuan is not in North America Sichuan is in Eurasia Sichuan is in Asia Chengdu is not in Chengdu is in World Chengdu is not in USA Chengdu is not in Colorado Chengdu is not in Boulder County Chengdu is not in Boulder Chengdu is in China Chengdu is in Sichuan Chengdu is in Chengdu Chengdu is not in America Chengdu is not in North America Chengdu is in Eurasia Chengdu is in Asia America is not in America is in World America is not in USA America is not in Colorado America is not in Boulder County America is not in Boulder America is not in China America is not in Sichuan America is not in Chengdu America is in America America is not in North America America is not in Eurasia America is not in Asia North America is not in North America is in World North America is not in USA North America is not in Colorado North America is not in Boulder County North America is not in Boulder North America is not in China North America is not in Sichuan North America is not in Chengdu North America is in America North America is in North America North America is not in Eurasia North America is not in Asia Eurasia is not in Eurasia is in World Eurasia is not in USA Eurasia is not in Colorado Eurasia is not in Boulder County Eurasia is not in Boulder Eurasia is not in China Eurasia is not in Sichuan Eurasia is not in Chengdu Eurasia is not in America Eurasia is not in North America Eurasia is in Eurasia Eurasia is not in Asia Asia is not in Asia is in World Asia is not in USA Asia is not in Colorado Asia is not in Boulder County Asia is not in Boulder Asia is not in China Asia is not in Sichuan Asia is not in Chengdu Asia is not in America Asia is not in North America Asia is in Eurasia Asia is in Asia [] [] [1] ['World'] [2,10,9,1] ['USA','North America','America','World'] [3,2,10,9,1] ['Colorado','USA','North America','America','World'] [4,3,2,10,9,1] ['Boulder County','Colorado','USA','North America','America','World'] [5,4,3,2,10,9,1] ['Boulder','Boulder County','Colorado','USA','North America','America','World'] [6,12,11,1] ['China','Asia','Eurasia','World'] [7,6,12,11,1] ['Sichuan','China','Asia','Eurasia','World'] [8,7,6,12,11,1] ['Chengdu','Sichuan','China','Asia','Eurasia','World'] [9,1] ['America','World'] [10,9,1] ['North America','America','World'] [11,1] ['Eurasia','World'] [12,11,1] ['Asia','Eurasia','World']