R_x = {
        0: [5, 7, 13, 15, 21, 25, 29],
    }
R_y = {
        (1, 0): [0.1843068472879863, 0.06235603500209852, 0.011111956105256449, 0.00050366115986938409, 7.1562463805907583e-06, 4.0298526238213839e-08, 3.9956294661802616e-08],
        (2, 0): [0.046105675637867799, 0.013246017078074462, 0.005542485710768652, 0.00067997064168938415, 4.6063134426982399e-05, 1.0777808132356181e-06, 4.2930948795927293e-09],
        (3, 0): [0.01713673973745012, 0.014641367192083615, 0.0026518937870781203, 0.00028054793547133139, 0.00010971626504485688, 2.7061872750686056e-06, 1.0121065385088057e-07],
    }

R_x = {
        0: [5, 7, 10, 16, 18, 22, 28, 34],
    }
R_y = {
        (1, 0): [0.17076672795968373, 0.043356138894337204, 0.041045532914633254, 0.0058943597765469535, 0.00018759868059159412, 1.7891829137695048e-06, 7.0804719309869313e-09, 6.5346731359383625e-09],
        (2, 0): [0.044544127593562716, 0.01096517172704424, 0.0089970596630603861, 0.0029545088700716898, 0.00014843931056320037, 1.4554012751771817e-06, 9.5016940149239559e-10, 1.3958578737316429e-10],
        (3, 0): [0.015033623095632616, 0.009520817576687414, 0.0069807964180385249, 0.0016484608980817175, 0.00023362526206750084, 1.1715220633229384e-05, 3.2697808772796932e-06, 4.7940380232952551e-07],
    }

Use proper mesh