엑셀 - 중복자 조건 2개의 경우일때

아래 이미지 참고하세요

=LET(xDB,SORT(FILTER(B3:E26,COUNTIF(B3:B26, B3:B26)>=2),1,1),

aCn,INDEX(xDB,,1), cCn,INDEX(xDB,,3), dCn,INDEX(xDB,,4), xSeqs,SEQUENCE(ROWS(xDB)),

xCnt,MAP(xSeqs,LAMBDA(iseq, COUNTA(UNIQUE(FILTER(dCn,(aCn=INDEX(aCn,iseq))*(cCn=INDEX(cCn,iseq))))))),

IFERROR(SORT(FILTER(xDB,xCnt>=2),{1,4}, {1,1}),""))