4-r0 5-r0 7-r0
8-r0 9-r0 6-r0
2-r270 1-r270 3-r270
3-r0 2-r0 4-r0
1-r0 5-r0 7-r0
8-r0 9-r0 6-r0
4-r0 2-r0 8-r90
3-r0 1-r0 9-r90
5-r0 7-r0 6-r90