i = 0:  1
i = 1:  2
i = 2:  3
i = 3:  4
i = 4:  5
i = 5:  6
i = 6:  7
i = 7:  8
i = 8:  9
i = 9:  10
i = 10: 11
i = 11: 12
i = 12: 13
i = 13: 14
$VAR1 = [
          [
            1,
            5,
            9,
            13
          ],
          [
            2,
            6,
            10,
            14
          ],
          [
            3,
            7,
            11
          ],
          [
            4,
            8,
            12
          ]
        ];