1-r0 2-r0 3-r0
4-r0 6-r0 8-r0
9-r0 5-r0 7-r0
3-r270 4-r270 6-r180
8-r90 1-r90 2-r180
9-r270 5-r270 7-r180
3-r270 8-r270 9-r180
4-r180 1-r0 5-r180
6-r180 2-r0 7-r180