�各港口供应的货物，其格式为：</span></div>
<div style="line-height: 20pt"><span style="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; N1 p11 &nbsp;p12 &nbsp;&hellip; p1N1</span></div>
<div style="line-height: 20pt"><span style="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; N2 p21 &nbsp;p22 &nbsp;&hellip; p2N2</span></div>
<div style="line-height: 20pt"><span style="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &hellip; &hellip;&nbsp;&hellip;&nbsp;&hellip; &hellip;</sp