1.

6-6-3-2-7-2-9

2.

6-3-2-7-2-9-6

3.

3-2-7-2-9-6-6

4.

2-7-2-9-6-6-3

5.

7-2-9-6-6-3-2

6.

2-9-6-6-3-2-7

7.

9-6-6-3-2-7-2