Temperatures as accounted in the first layers (the surface) and the center of the heated body at each iteration of the computing process:

Temperature in first layer	Temperature in center	difference
50 50 50 50.0001 50.0004 50.0009 50.0016 50.0026 50.0056 50.0095 50.0143 50.0199 50.0279 50.0365 50.0457 50.0552 50.0648 50.0817 50.0988 50.116 50.1333 50.1506 50.1679 50.2077 50.2476 50.2804 50.3132 50.346 50.3789 50.4118 50.4447 50.5688 50.6934 50.8185 50.9441 51.0702 51.562 52.0619 52.5704 53.0878 53.6145 54.7717 55.9746 57.225 58.5239 59.8717 61.3436 62.8692 64.4473 66.0767 67.7554 69.9217 72.1585 74.4618 76.827 79.2498 82.844 86.5366 90.3156 94.17 98.0894 105.0872 112.2109 119.4222 126.6898 133.9879 152.0586 169.9581 187.5442 204.748 221.5377 247.9285 273.1879 297.3611 320.5087 342.6955 389.2903 431.9877 471.3347 507.7825 541.7037 597.3089 647.1844 692.4432 733.9062 772.201 829.3043 880.8304 927.852 971.3372 1011.7439 1051.9766 1089.4579 1124.6035 1157.6849 1188.8823 1251.8639 1307.766 1357.6445 1402.2891 1442.3226 1504.9046 1556.5997 1599.4976 1635.1788 1664.9252 1705.7206 1735.2913 1756.9246 1772.8025 1784.408 1796.3048 1803.6839 1805.8094	50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50 50.0001 50.0001 50.0001 50.0002 50.0002 50.0003 50.0004 50.0005 50.0008 50.0011 50.0015 50.002 50.0026 50.004 50.0059 50.0085 50.0119 50.0162 50.0319 50.0569 50.0941 50.1469 50.2187 50.3858 50.63 50.9685 51.4188 51.9981 53.8512 56.6101 60.4242 65.4123 71.6593 86.1974 105.044 128.0416 154.8317 184.9309 239.9997 300.1606 363.2337 427.3972 491.2546 558.2737 622.9806 684.8859 743.7379 799.4477 911.7372 1009.9472 1095.8177 1171.2007 1237.6569 1339.3869 1421.62 1488.7395 1543.8662 1589.3244 1651.1107 1695.7289 1728.1869 1751.8406 1769.0962 1786.7228 1797.6962 1800.8493	0 1.33E-05 4.20E-05 8.67E-05 0.0003834 0.0008993 0.0016383 0.0025985 0.005566 0.0095269 0.014339 0.019851 0.027861 0.03655 0.045699 0.055157 0.064823 0.081699 0.098796 0.11602 0.13329 0.1506 0.16792 0.20772 0.2476 0.28038 0.31318 0.346 0.37886 0.41176 0.44469 0.56879 0.69337 0.81847 0.94407 1.0702 1.562 2.0619 2.5704 3.0878 3.6145 4.7717 5.9746 7.225 8.5239 9.8717 11.3436 12.8691 14.4473 16.0766 17.7553 19.9216 22.1583 24.4615 26.8266 29.2493 32.8433 36.5356 40.3142 44.168 48.0868 55.0832 62.2049 69.4137 76.6779 83.9717 102.0267 119.9012 137.4501 154.6011 171.319 197.5426 222.5579 246.3926 269.09 290.6974 335.4391 375.3776 410.9104 442.3702 470.0443 511.1115 542.1405 564.4016 579.0745 587.27 589.3047 max 580.6698 564.6183 543.94 520.4893 493.7029 466.4774 439.7175 413.9469 389.4346 340.1267 297.8188 261.8268 231.0884 204.6657 165.5177 134.9797 110.7581 91.3126 75.6008 54.6099 39.5624 28.7377 20.9619 15.3118 9.5821 5.9877 4.9602