7**,8**,2**
复式 2 4 3/8 6 3/7 5 4
组选 7,8,2,6,5,4,3--7,8,2,6,5,4--7,8,2,6,5--7,8,2,6--7,8,2[包含组三]
直组 782,785,783,726,723,765,764,763,826,823,864,863,854,264,263,254,253,653,643,543