Isn't it as simple as

C1: V1-B1
F1: V1-E1
I1: V1-H1
L1: V1-K1
O1: V1-N1
R1: V1-Q1
U1: V1-T1

> I have a screenshot of the chart but I do not have permission to add attachment

That's going to rather handicap providing an answer. The screen capture would be nice though.