R1...7-9-10
R2...8-2-9
R3...5-1-3
R4...3-6-4
R5...6-7-9-2
R6...6-7-1
R7...1-7-9-6
R8...6-1-3
R9...2-5-10-12
R10..8-2-10
R11..12-8-11-6
R12..9-7-5-10
R13..9-5-6
R14..5-2-3
R2...8-2-9
R3...5-1-3
R4...3-6-4
R5...6-7-9-2
R6...6-7-1
R7...1-7-9-6
R8...6-1-3
R9...2-5-10-12
R10..8-2-10
R11..12-8-11-6
R12..9-7-5-10
R13..9-5-6
R14..5-2-3