For the first time the teams were split into 4 groups rather than 2.

The 28 teams were split into four groups of 7.

The 14 teams are split into two groups of seven.

The twenty teams were split into four groups of five.

The 10 team were split into two groups of five.

The teams were split into two groups with each team playing the others in their group twice.

The six teams were split into two groups of three.

In the final round the teams are split into four groups.

The team was split into shifts two weeks ago and has been working 16 to 20 hours a day, seven days a week, since then.

After the second round, the last 8 teams are split into two groups of 4.