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