Taobao through train commodity pit (1x 6n) how to occupy?

the number of goods on a page on the PC side of Taobao is 48, among which (1x 6n) is the through train pit, that is, the 1st, 7th, 13th, 19th, 25th, 31st, 37th and 43 pit positions are the through train pit.

question:
1, how to mark through train goods and non-through train goods, with a field or what?
2, through-train goods and non-through-train goods should be displayed together, and through-train goods should be put into each pit above. What is the code idea?

May.22,2021
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