摘要 |
A longest wiring and a shortest wiring alongside each other among the plurality of wirings are placed. Then, a longest wiring from among remaining wires which have not being placed yet, alongside an outside of a space surrounded by the wirings already placed and on a side of a shorter wiring of the wrings placed at outermost ends are placed. A shortest wiring from among remaining wires which have not placed yet, alongside an outside of a space surrounded by the wirings already placed and on a side of a longer wiring of the wirings placed at outermost ends is placed. These two processes are repeated.
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