A.1:2:3:4 B.2:2:3:4 C.2:3:2:3 2:3:3:2
A.4:3:2:1 B.3:2:3:2 C.3:3:2:2 3:2:2:1
A.3:4:5:6 B.4:4:5:5 C.4:5:4:5 4:5:5:4