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USACO FEB07 Silver Silver Lilypad Pond 銀色蓮花池
USACO FEB07 Bronze Bronze Lilypad Pond 青銅蓮花池
USACO MAR07 Silver Monthly Expense 月度花費
USACO MAR07 Silver Balanced Lineup 平衡的陣容
USACO MAR07 Silver Cow Traffic 奶牛交通
USACO OCT07 Silver Obstacle Course 障礙訓練場
USACO NOV07 Silver Cow Hurdles 奶牛跨欄
USACO NOV07 Silver Milking Time 擠奶時間
USACO DEC07 Silver Building Roads 建造路徑