fp coeff_dz_m1_m1_m1,
   coeff_dz_0_m1_m1,
   coeff_dz_p1_m1_m1,
   coeff_dz_p2_m1_m1,
   coeff_dz_m1_0_m1,
   coeff_dz_0_0_m1,
   coeff_dz_p1_0_m1,
   coeff_dz_p2_0_m1,
   coeff_dz_m1_p1_m1,
   coeff_dz_0_p1_m1,
   coeff_dz_p1_p1_m1,
   coeff_dz_p2_p1_m1,
   coeff_dz_m1_p2_m1,
   coeff_dz_0_p2_m1,
   coeff_dz_p1_p2_m1,
   coeff_dz_p2_p2_m1,
   coeff_dz_m1_m1_0,
   coeff_dz_0_m1_0,
   coeff_dz_p1_m1_0,
   coeff_dz_p2_m1_0,
   coeff_dz_m1_0_0,
   coeff_dz_0_0_0,
   coeff_dz_p1_0_0,
   coeff_dz_p2_0_0,
   coeff_dz_m1_p1_0,
   coeff_dz_0_p1_0,
   coeff_dz_p1_p1_0,
   coeff_dz_p2_p1_0,
   coeff_dz_m1_p2_0,
   coeff_dz_0_p2_0,
   coeff_dz_p1_p2_0,
   coeff_dz_p2_p2_0,
   coeff_dz_m1_m1_p1,
   coeff_dz_0_m1_p1,
   coeff_dz_p1_m1_p1,
   coeff_dz_p2_m1_p1,
   coeff_dz_m1_0_p1,
   coeff_dz_0_0_p1,
   coeff_dz_p1_0_p1,
   coeff_dz_p2_0_p1,
   coeff_dz_m1_p1_p1,
   coeff_dz_0_p1_p1,
   coeff_dz_p1_p1_p1,
   coeff_dz_p2_p1_p1,
   coeff_dz_m1_p2_p1,
   coeff_dz_0_p2_p1,
   coeff_dz_p1_p2_p1,
   coeff_dz_p2_p2_p1,
   coeff_dz_m1_m1_p2,
   coeff_dz_0_m1_p2,
   coeff_dz_p1_m1_p2,
   coeff_dz_p2_m1_p2,
   coeff_dz_m1_0_p2,
   coeff_dz_0_0_p2,
   coeff_dz_p1_0_p2,
   coeff_dz_p2_0_p2,
   coeff_dz_m1_p1_p2,
   coeff_dz_0_p1_p2,
   coeff_dz_p1_p1_p2,
   coeff_dz_p2_p1_p2,
   coeff_dz_m1_p2_p2,
   coeff_dz_0_p2_p2,
   coeff_dz_p1_p2_p2,
   coeff_dz_p2_p2_p2;