$ARRAY1 = [
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              total => 6,
              X     => 2,
              Z     => 4
            },
            {
              total => 6,
              X     => 3,
              Z     => 3
            },
            {
              total => 6,
              W     => 3,
              X     => 3
            },
            {
              total => 6,
              W     => 1,
              X     => 5
            },
            {
              total => 6,
              W     => 1,
              X     => 2,
              Z     => 3
            },
            {
              total => 6,
              W     => 4,
              Z     => 2
            }
          ];