{=IF(SUM(--ISNA(MATCH(DU8:DW8,{1,2,3},0)))<>3,"YES","NO")}
I would have expected that your formula checks
1st cell = 1
or
2nd cell = 2
or
3rd cell = 3
RANGE FORMULA (1st cell)
DX8:DX14 =IF(OR(INDEX(DU8:DW8={1,2,3},0)),"Yes","No")
DY8:DY14 =IF(SUMPRODUCT(--(DU8:DW8={1;2;3})),"Yes","No")
[Table-It] version 06 by Erik Van Geit