Working in groups of four we had to "look for the spaces" inbetween each other. This required seeing the space at all times and having a sense of where each of us where in the space. My feet and knees had to be soft and supple in order to move quickly and to be ready for surprise movements. Balance was also needed to start and stop abruptly. Adding onto the score we played with the idea of one person always standing and one person always being on a low level. This required extra concentration to see what other people in the group were doing.
The main difference in working with a larger group was the higher level of energy and creativity. It was interesting to watch everyone in the space at the same time and how that compared with only a few people in the space.