Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 27°C. We apply continuously 162°C heat to the field 8x1
What is the temperature (rounded to whole numbers) in the field 1x1 after 64 iterations according to the Gauss-Seidel iteration

Field in the beginning

27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27

Field after 4 iterations (rounded after 4th iteration)

4	6	8	9	9	12	23	49	85	42
6	11	13	15	16	22	44	102	256	88
8	13	17	19	21	27	43	73	109	57
9	15	19	21	23	27	36	49	55	33
9	16	20	23	24	27	31	35	34	20
9	16	20	23	25	26	28	28	24	14
9	16	20	23	24	25	26	24	19	11
8	14	18	20	22	23	22	20	15	8
6	11	14	15	16	17	17	15	11	6
3	6	7	8	9	9	9	7	5	3

Temperature in field 1x1 after 64 iterations:

27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27

4	6	8	9	9	12	23	49	85	42
6	11	13	15	16	22	44	102	256	88
8	13	17	19	21	27	43	73	109	57
9	15	19	21	23	27	36	49	55	33
9	16	20	23	24	27	31	35	34	20
9	16	20	23	25	26	28	28	24	14
9	16	20	23	24	25	26	24	19	11
8	14	18	20	22	23	22	20	15	8
6	11	14	15	16	17	17	15	11	6
3	6	7	8	9	9	9	7	5	3

27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27

4	6	8	9	9	12	23	49	85	42
6	11	13	15	16	22	44	102	256	88
8	13	17	19	21	27	43	73	109	57
9	15	19	21	23	27	36	49	55	33
9	16	20	23	24	27	31	35	34	20
9	16	20	23	25	26	28	28	24	14
9	16	20	23	24	25	26	24	19	11
8	14	18	20	22	23	22	20	15	8
6	11	14	15	16	17	17	15	11	6
3	6	7	8	9	9	9	7	5	3

27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27

4	6	8	9	9	12	23	49	85	42
6	11	13	15	16	22	44	102	256	88
8	13	17	19	21	27	43	73	109	57
9	15	19	21	23	27	36	49	55	33
9	16	20	23	24	27	31	35	34	20
9	16	20	23	25	26	28	28	24	14
9	16	20	23	24	25	26	24	19	11
8	14	18	20	22	23	22	20	15	8
6	11	14	15	16	17	17	15	11	6
3	6	7	8	9	9	9	7	5	3