290期：【06,13,14,17,21,28,34,35,39,40】开（11）准√
291期：【02,09,19,25,31,32,37,38,43,47】开（14）准√
292期：【02,04,06,10,13,14,17,18,29,31】开（44）准√
293期：【02,11,15,18,19,30,31,34,39,45】开（30）错×
294期：【03,07,09,12,13,20,24,35,40,42】开（48）准√
295期：【02,03,05,09,20,22,33,34,37,39】开（24）准√
296期：【03,04,05,08,14,18,20,22,35,36】开（09）准√
297期：【02,04,08,09,12,16,17,24,36,48】开（49）准√
298期：【01,02,07,08,13,15,17,25,37,49】开（？）