251期:←特围→【01,05,06,08,10,12,13,15,20,21,22,23,24,27,34,35,37,38,42,44,45,46,47,49】开05准
252期:←特围→【02,05,06,07,11,12,14,15,16,19,21,22,25,26,28,29,30,31,33,38,41,44,47,49】开15准
253期:←特围→【02,04,06,10,13,14,18,19,21,23,24,25,28,29,30,31,32,36,40,45,46,47,48,49】开01错
254期:←特围→【02,06,08,09,10,13,14,17,19,20,21,22,27,28,30,31,33,35,36,42,43,44,47,49】开?