多欄轉二欄 (14980)

F2:G17{=IFERROR(INDIRECT(TEXT(RIGHT(SMALL(IF($A$2:$D$6<>"",ROW($2:$6)^(F$1=$G$1)/1%+{1,2,3,4}*1001),ROW(A1)),3),"!R0C00"),),"")



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