排序 二列數字不重複 (11109)

E2:F16{=IFERROR(OFFSET($B$1,RIGHT(SMALL(IF(COUNTIFS($E$1:$E1,$B$2:$B$16,$F$1:$F1,$C$2:$C$16)=0,$C$2:$C$16/1%%%+$B$2:$B$16/1%%+ROW($1:$15)),1),4),COLUMN(A1)-1),"")