Help with 4-bit divider question

Consider the 4-bit divider shown in Figure 5. Let A=1101 and B-0010. Trace through the division on the diagram provided, labeling the input and output of each block in color. Also, indicate the output of the adder/subtracter within each block. The first row is done for you. . 0 0 B 1 0 0 B, A3 Az Bo 0 1 1 0 1 1 1 1 1 1 0 Q3 0 0 1 A2 1 Q2 A 1 A. 1 QO R R3 R2 R. R