B, F, M, O-X

"SELECT TOP " + this.maximumRows.ToString() + " * FROM [Sheet1$B:B], [Sheet1$F:F], [Sheet1$M:M], [Sheet1$O:X]"

Data , [Sheet1$F:F] , [Sheet1$M:M] , [Sheet1$O:X] , F2 , F3 , etc...