135 fog, 246 unknown! What is a horizontal batch?

One, three, five, fog, two, four, six unknown. How's the weather? Sunny refers to light, rain refers to darkness, fog refers to confusion, and unknown refers to doubt. 135 plus 246 * * six days, in the traditional cultural context, 369 can represent many meanings. The link up and down means that there is no good weather for seven days and six days a week.