453953.fig.003a
(a)
453953.fig.003b
(b)
453953.fig.003c
(c)
Figure 3: Example of scaffold prolong step by step. (a), the desired shape that need to be filled by scaffold. (b) major part along the first seam is filled up. (c) the second part along the second seam is derived from one point of the first part. Then, minor parts are filled by strands comes from its neighboring part, until the whole picture is filled.