futility_001	futility_002	futility_003	futility_004	futility_005	futility_006
futility_007	futility_008	futility_009	futility_010	futility_011	futility_012
futility_013	futility_014	futility_015	futility_016	futility_017	futility_018
futility_019	futility_020	futility_021	futility_022	futility_023	futility_024
futility_025	futility_026	futility_027