$VAR1 = [
          [
            undef,
            undef,
            undef,
            undef
          ],
          [
            undef,
            undef,
            undef,
            undef
          ],
          [
            undef,
            undef,
            undef,
            undef
          ],
          [
            undef,
            undef,
            undef
          ]
        ];