大小单双公式规律简介：Brother Biaozi, you have been in the mountain for so long and you are also the captain of the mountain patrol team. You should be familiar with the situation on this mountain. Please introduce it to us.
Brother Biaozi, you have been in the mountain for so long and you are also the captain of the mountain patrol team. You should be familiar with the situation on this mountain. Please introduce it to us.
