INSERT INTO `game_galaxy` (`galaxy`, `system`, `planet`, `id_planet`, `metal`, `crystal`, `id_luna`, `luna`)
  SELECT _increment.galaxy, _increment.system, 0, 0, 0, 0, 0, 0
  FROM (
    SELECT _galaxy.galaxy, (1 + _10e0.system + _10e1.system + _10e2.system) system
    FROM (
        SELECT 0 AS system
        UNION ALL
        SELECT 1 AS system
        UNION ALL
        SELECT 2 AS system
        UNION ALL
        SELECT 3 AS system
        UNION ALL
        SELECT 4 AS system
        UNION ALL
        SELECT 5 AS system
        UNION ALL
        SELECT 6 AS system
        UNION ALL
        SELECT 7 AS system
        UNION ALL
        SELECT 8 AS system
        UNION ALL
        SELECT 9 AS system
      ) _10e0
    CROSS JOIN (
        SELECT 0  AS system
        UNION ALL
        SELECT 10 AS system
        UNION ALL
        SELECT 20 AS system
        UNION ALL
        SELECT 30 AS system
        UNION ALL
        SELECT 40 AS system
        UNION ALL
        SELECT 50 AS system
        UNION ALL
        SELECT 60 AS system
        UNION ALL
        SELECT 70 AS system
        UNION ALL
        SELECT 80 AS system
        UNION ALL
        SELECT 90 AS system
      ) _10e1
    CROSS JOIN (
        SELECT 0   AS system
        UNION ALL
        SELECT 100 AS system
        UNION ALL
        SELECT 200 AS system
        UNION ALL
        SELECT 300 AS system
        UNION ALL
        SELECT 400 AS system
        UNION ALL
        SELECT 500 AS system
        UNION ALL
        SELECT 600 AS system
        UNION ALL
        SELECT 700 AS system
        UNION ALL
        SELECT 800 AS system
        UNION ALL
        SELECT 900 AS system
      ) _10e2
    CROSS JOIN (
        SELECT 1 AS galaxy
        UNION ALL
        SELECT 2 AS galaxy
        UNION ALL
        SELECT 3 AS galaxy
        UNION ALL
        SELECT 4 AS galaxy
        UNION ALL
        SELECT 5 AS galaxy
        UNION ALL
        SELECT 6 AS galaxy
        UNION ALL
        SELECT 7 AS galaxy
        UNION ALL
        SELECT 8 AS galaxy
        UNION ALL
        SELECT 9 AS galaxy
      ) _galaxy
    ) _increment

  WHERE _increment.galaxy<=3
    AND _increment.system<=100