Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 21°C. We apply continuously 186°C heat to the field 7x1
What is the temperature (rounded to whole numbers) in the field 2x7 after 39 iterations according to the Gauss-Seidel iteration

Field in the beginning

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

Field after 4 iterations (rounded after 4th iteration)

3	5	6	7	10	23	54	99	58	25
5	8	10	12	20	45	114	297	118	44
6	10	13	16	23	42	80	128	82	38
7	12	15	17	22	33	51	65	50	26
7	12	16	18	21	27	35	39	32	17
7	12	16	18	20	23	26	27	22	12
7	12	16	18	19	21	22	21	17	9
6	11	14	16	17	18	18	17	13	7
5	8	11	12	13	13	13	12	9	5
2	4	6	6	7	7	7	6	4	2

Temperature in field 2x7 after 39 iterations:

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

3	5	6	7	10	23	54	99	58	25
5	8	10	12	20	45	114	297	118	44
6	10	13	16	23	42	80	128	82	38
7	12	15	17	22	33	51	65	50	26
7	12	16	18	21	27	35	39	32	17
7	12	16	18	20	23	26	27	22	12
7	12	16	18	19	21	22	21	17	9
6	11	14	16	17	18	18	17	13	7
5	8	11	12	13	13	13	12	9	5
2	4	6	6	7	7	7	6	4	2

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

3	5	6	7	10	23	54	99	58	25
5	8	10	12	20	45	114	297	118	44
6	10	13	16	23	42	80	128	82	38
7	12	15	17	22	33	51	65	50	26
7	12	16	18	21	27	35	39	32	17
7	12	16	18	20	23	26	27	22	12
7	12	16	18	19	21	22	21	17	9
6	11	14	16	17	18	18	17	13	7
5	8	11	12	13	13	13	12	9	5
2	4	6	6	7	7	7	6	4	2

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

3	5	6	7	10	23	54	99	58	25
5	8	10	12	20	45	114	297	118	44
6	10	13	16	23	42	80	128	82	38
7	12	15	17	22	33	51	65	50	26
7	12	16	18	21	27	35	39	32	17
7	12	16	18	20	23	26	27	22	12
7	12	16	18	19	21	22	21	17	9
6	11	14	16	17	18	18	17	13	7
5	8	11	12	13	13	13	12	9	5
2	4	6	6	7	7	7	6	4	2