Table index

Current landmark

Target landmarks

Next landmark

Motion direction

1

1

2

2

2

1

6, 7

6

3

1

9

9

4

2

1, 6, 7, 9

1

5

6

7

7

6

6

1, 2, 9

1

7

7

1, 6, 2, 9

6

8

9

1, 6, 2, 7

1