R1. 6-3-4-1
R2. 5-6-7-4
R3. 5-1-2-6
R4. 4-8-5-9
R5. 6-2-1-5
R6. 3-9-4-5
R7. 3-5-6-9
R8. 4-7-8-2
R9. 7-4--2
R10. 2-3-7-5
R11. 5-6-7-8
R12. 9-13-2-7
R13. 5-9-10-11
R2. 5-6-7-4
R3. 5-1-2-6
R4. 4-8-5-9
R5. 6-2-1-5
R6. 3-9-4-5
R7. 3-5-6-9
R8. 4-7-8-2
R9. 7-4--2
R10. 2-3-7-5
R11. 5-6-7-8
R12. 9-13-2-7
R13. 5-9-10-11