R1...3-7-13
R2...7-9-4
R3...3-5-6
R4...15-12-2
R5...11-8-1
R6...1-7-12
R7...4-6-2
R8...8-12-10
R9...5-1-2
R10..3-7-11
R11..3-2-6
R12..1-4-8
R2...7-9-4
R3...3-5-6
R4...15-12-2
R5...11-8-1
R6...1-7-12
R7...4-6-2
R8...8-12-10
R9...5-1-2
R10..3-7-11
R11..3-2-6
R12..1-4-8