key_1 | key_2  | key_3  | value_1 | value_2
--------------------------------------------
  1   |   1    |   1    |   1.5   |  2.0
  1   |   1    |   2    |   1.01  |  2.6
  1   |   2    |   1    |   2.3   |  4.5
  1   |   2    |   2    |   2.5   |  6.0
  2   |   1    |   1    |   1.52  |  2.02
  2   |   1    |   2    |   1.03  |  2.61
  2   |   2    |   1    |   2.31  |  4.53
  2   |   2    |   2    |   2.51  |  6.06

key_2  | key_3  |  1   |  2
------------------------------
  1    |   1    | 1.5  | 1.52
  1    |   2    | 1.01 | 1.03
  2    |   1    | 2.3  | 2.31
  2    |   2    | 2.5  | 2.51