291期新澳彩【天之蓝→必中四行】

290期：四行【木火水土】开19土中
291期：四行【木火水土】开中
金:03,04,11,12,25,26,33,34,41,42
木:07,08,15,16,23,24,37,38,45,46
水:13,14,21,22,29,30,43,44
火:01,02,09,10,17,18,31,32,39,40,47,48
土:05,06,19,20,27,28,35,36,49