There are seven teams playing volleyball, and it takes five days to decide all the rankings. How to arrange them? (Each team plays one game at most every day)

Seven teams were drawn into two groups, one with four teams and the other with three teams. It took three days for the group round robin, and then the top two in each group entered the semi-finals. The three eliminated teams decided five, six and seven with a net victory. Day 4: One team won the first place against the other team won the second place, and the two teams that entered the finals were decided. Day 5: The third and fourth place finals and finals will be held.