COLUMN_A: "Y","N"
        COLUMN_B:
        COLUMN_C: "something", "something else", "and more"
        ...

##</code><code>##

@array[0][0] = "COLUMN_A";
@array[0][1] = "Y";
@array[0][2] = "N";
@array[1][0] = "COLUMN_B"
@array[2][0] = "COLUMN_C"
@array[2][1] = "something"
@array[3][2] = "something else"
@array[3][3] = "and more"