snumber,pnumber,qty
s1,p1,100
s1,p2,300
s1,p3,150
s1,p4,200
s1,p5,200
s1,p6,180
s2,p1,400
s2,p2,300
s3,p2,150
s4,p3,100
s5,p5,400
s4,p4,600
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