Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 19°C. We apply continuously 107°C heat to the field 1x4
What is the temperature (rounded to whole numbers) in the field 6x1 after 85 iterations according to the Gauss-Seidel iteration

Field in the beginning

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

Field after 4 iterations (rounded after 4th iteration)

3	5	6	6	7	7	6	6	4	2
6	12	13	13	12	12	11	10	8	4
15	28	27	22	19	17	15	13	10	5
33	69	50	34	25	20	18	15	11	6
59	176	80	44	30	23	19	16	12	6
38	75	56	39	29	23	20	17	12	6
21	38	36	30	25	22	19	16	12	6
12	21	24	22	20	19	17	14	10	5
7	12	15	15	14	14	13	11	7	4
3	6	7	7	7	7	6	5	4	2

Temperature in field 6x1 after 85 iterations:

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	5	6	6	7	7	6	6	4	2
6	12	13	13	12	12	11	10	8	4
15	28	27	22	19	17	15	13	10	5
33	69	50	34	25	20	18	15	11	6
59	176	80	44	30	23	19	16	12	6
38	75	56	39	29	23	20	17	12	6
21	38	36	30	25	22	19	16	12	6
12	21	24	22	20	19	17	14	10	5
7	12	15	15	14	14	13	11	7	4
3	6	7	7	7	7	6	5	4	2

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	5	6	6	7	7	6	6	4	2
6	12	13	13	12	12	11	10	8	4
15	28	27	22	19	17	15	13	10	5
33	69	50	34	25	20	18	15	11	6
59	176	80	44	30	23	19	16	12	6
38	75	56	39	29	23	20	17	12	6
21	38	36	30	25	22	19	16	12	6
12	21	24	22	20	19	17	14	10	5
7	12	15	15	14	14	13	11	7	4
3	6	7	7	7	7	6	5	4	2

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	5	6	6	7	7	6	6	4	2
6	12	13	13	12	12	11	10	8	4
15	28	27	22	19	17	15	13	10	5
33	69	50	34	25	20	18	15	11	6
59	176	80	44	30	23	19	16	12	6
38	75	56	39	29	23	20	17	12	6
21	38	36	30	25	22	19	16	12	6
12	21	24	22	20	19	17	14	10	5
7	12	15	15	14	14	13	11	7	4
3	6	7	7	7	7	6	5	4	2