'B>1K  ?5@5AB@>8BL  MB>  AB@>5=85,   20<  =C6=>: 
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 < v a l u e = q 1 >   < v a l u e = r 1 > 
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 < v a l u e = q 2 >   < v a l u e = r 2 > 
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 < v a l u e = q 4 >   < v a l u e = r 4 > 
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 < v a l u e = q 3 >   < v a l u e = r 3 > 