Crossword generator

Basic:
    COLSxROWS
Modifiers:
    COLSxROWS(values);

values  used for making headers;
        values, separated by space, go
        from the last cell to the first (0x0),
        _N will skip N cells.
        e.g, if (1 2 3 4), last cell would
        contain 1
;       start this table on a new line

10x2(0 4 4 2 2 9 9 0 _4 2 2) 2x11(0 _ 2 _ 2 _ 2 _ 4 _ 6 _ 2 2 2 2 6 _ 4 _ 0); 8x11
[Generate]