As series of events first layering of A, B, C, B, E and F occurred then due to tectonic forces it gets tilted and erosion occurred which erode upper part of the
rocks then deposition of G, H, I, J, K and L occurred which form a structure of angular unconformity. After these deposition faulting happend. After it
erosion occurred due to wind or water which create valley like structure as shown in figure of question 9