13=60BGBGBGBG4423BGBGBGBG45BGBGBGBG67BGBGBGBG89BGBGBGBG1011BGBGBGBG1213BGBGBGBG1415BGBGBGBG1617BGBGBGBG1819BGBGBGBG2021BGBGBGBG2223BGBGBGBG2425BGBGBGBG2627BGBGBGBG2829BGBGBGBG3031BG3233BGBG3435BGBG3637BGBG3839BGBG4041BGBG4243BGBG4445BGBG4647BGBG4849BGBG5051BGBG5253BGBG5455BGBG5657BGBG5859BGBG6061BGBG6263BGBGBGBG64