What formations have changed the formation of seven people?

The formation of seven people changes, and the common formations are single line (column), three-person and four-person double line (column), single (double) diagonal line, "V", "λ" and circle. Change posture according to music and dance movements, and analyze the specific situation.

1, can move back and forth to become V or λ, and the middle C bit can stand at the vertex or center.

2. You can move horizontally to λ or V, and the middle C bit can also stand at the vertex or center.

3, it can be moved horizontally into n, and then it can be changed into an oblique row.

4. moving back and forth can become a V with five people and two singles, and the three columns that change later can also be regarded as a formation.

5. Turn into a triangle.

Step 6 turn into a circle

7. This is a station with several formations, and each pause is a formation.