數獨 檢驗是否正確 (14557)

M3:M11=SUMPRODUCT(COUNTIF(C3:K3,ROW($1:$9)))

C13:K13=SUMPRODUCT(COUNTIF(C3:C11,ROW($1:$9)))

C15:C17=SUMPRODUCT(COUNTIF(OFFSET(C$3,ROW(A1)*3-3,,3,3),ROW($1:$9)))

C15:C17 複製到 F15:F17  I15:I17