Level Cost Error 1 7 8.47178381e-02 2 31 3.04409349e-02 3 111 1.02214539e-02 4 351 3.30346265e-03 5 1023 1.03886535e-03 6 2815 3.19646457e-04 7 7423 9.65789766e-05 8 18943 2.87339125e-05 9 47103 8.43749881e-06