298期略算范围15码:12.15.16.20.22.28.30.32.35.42.41.44.47.48.49开32准

299期略算范围15码:02.06.10.15.20.26.28.30.32.35.36.39.42.41.44开24错

300期略算范围15码:08.16.20.25.26.32.35.39.40.41.42.45.46.47.48开00准