1
2
3
4
5
6
7
8
9
10
11
12
Without polar-orientation
1
2
3
4
5
6
7
8
9
10
11
12
With polar-orientation
< polar-orientation values >
for item4, item10 : 0deg
for item1, item2, item3, item11, item 12: center
for item5, item6, item7, item8, item 9: counter-center