277期:16码『『04&06&07&13&15&21&23&26&28&36&38&40&45&46&47&49』』开:26对
278期:16码『『02&04&07&08&13&18&21&23&24&26&30&31&35&39&46&49』』开:07对
279期:16码『『03&04&10&14&15&17&24&25&27&28&30&37&39&43&46&48』』开:40错
280期:16码『『04&07&12&16&17&20&27&29&33&34&36&38&41&43&45&47』』开:22错
281期:16码『『01&02&07&12&17&18&20&22&26&29&31&34&35&38&44&48』』开:??