A) a-7, 4; b-4, 7, 6, 5; c-3, 6, 12, 2; d-10; e-1; f-8; g-11,9
B) a-7, 4; b-9, 7, 6, 5; c-3, 10, 12, 8; d-10; e-1; f-8; g-11,9
C) a-6, 4; b-4, 7, 6, 5; c-3, 6, 12, 2; d-10; e-1; f-8; g-4, 9
D) a-7, 4; b-4, 9, 6, 5; c-1, 6, 11,2; d-10; e-4; f-8; g-11,9