Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 17°C. We apply continuously 136°C heat to the field 3x8
What is the temperature (rounded to whole numbers) in the field 7x7 after 62 iterations according to the Gauss-Seidel iteration

Field in the beginning

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

Field after 4 iterations (rounded after 4th iteration)

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	15	16	16	16	14	10	5
6	10	15	20	21	19	17	15	11	6
6	13	26	39	34	27	21	16	11	6
7	22	51	89	61	38	25	17	11	5
9	31	83	219	92	45	25	15	9	4
6	19	44	77	49	27	15	9	5	2

Temperature in field 7x7 after 62 iterations:

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	15	16	16	16	14	10	5
6	10	15	20	21	19	17	15	11	6
6	13	26	39	34	27	21	16	11	6
7	22	51	89	61	38	25	17	11	5
9	31	83	219	92	45	25	15	9	4
6	19	44	77	49	27	15	9	5	2

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	15	16	16	16	14	10	5
6	10	15	20	21	19	17	15	11	6
6	13	26	39	34	27	21	16	11	6
7	22	51	89	61	38	25	17	11	5
9	31	83	219	92	45	25	15	9	4
6	19	44	77	49	27	15	9	5	2

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	15	16	16	16	14	10	5
6	10	15	20	21	19	17	15	11	6
6	13	26	39	34	27	21	16	11	6
7	22	51	89	61	38	25	17	11	5
9	31	83	219	92	45	25	15	9	4
6	19	44	77	49	27	15	9	5	2