$VAR1 = [
          [
            'Line_1_3',
            'Line_2_3'
          ],
          [
            'Line_3_3'
          ],
          [
            'Line_4_3',
            'Line_5_3',
            'Line_6_3',
            'Line_7_3'
          ]
        ];

Line_1_3 Line_3_3 Line_4_3
Line_2_3          Line_5_3
                  Line_6_3
                  Line_7_3