How to arrange the schedule of volleyball match in which 35 teams win the top six?

A group of five teams, divided into seven groups, first played round robin, and then the top two teams in each group appeared in the first round of round robin. Divide into two groups according to the results of group match 14 teams, with odd teams in one group (1, 3, 5, 7, 9, 1 1, 13) and even teams in the other group; Then in the second round of round robin, the top three teams in each group were selected, and two groups of ***6 teams qualified.

I wonder if it is feasible? I hope it will help you more or less ~