选二2码31,52 选四4码16,26,31,52 11码16,26,31,33,41,45,49,52,64,68,69 13码16,26,31,33,37,41,45,49,52,64,68,69,74 15码15,16,26,31,33,37,41,45,49,52,64,68,69,74,78