$VAR1 = [
          [
            2,
            3,
            4
          ],
          [
            10,
            11,
            12,
            13
          ],
          [
            20,
            21,
            22
          ],
          [
            34,
            35,
            36,
            37,
            38
          ]
        ];
range: 2..4
range: 10..13
range: 20..22
range: 34..38