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