Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 35°C. We apply continuously 69°C heat to the field 2x6
What is the temperature (rounded to whole numbers) in the field 8x5 after 108 iterations according to the Gauss-Seidel iteration

Field in the beginning

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

Field after 4 iterations (rounded after 4th iteration)

5	8	10	11	12	12	12	11	8	4
8	14	17	19	20	21	20	18	14	7
10	17	22	25	26	27	26	23	18	9
11	20	27	30	31	31	30	27	20	10
13	27	38	39	37	35	33	29	22	11
18	41	65	54	44	39	35	30	22	12
23	59	134	72	50	41	35	30	22	11
19	42	66	54	43	36	32	27	19	10
13	26	36	35	31	27	24	20	14	7
6	12	16	17	16	14	12	10	7	3

Temperature in field 8x5 after 108 iterations:

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

5	8	10	11	12	12	12	11	8	4
8	14	17	19	20	21	20	18	14	7
10	17	22	25	26	27	26	23	18	9
11	20	27	30	31	31	30	27	20	10
13	27	38	39	37	35	33	29	22	11
18	41	65	54	44	39	35	30	22	12
23	59	134	72	50	41	35	30	22	11
19	42	66	54	43	36	32	27	19	10
13	26	36	35	31	27	24	20	14	7
6	12	16	17	16	14	12	10	7	3

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

5	8	10	11	12	12	12	11	8	4
8	14	17	19	20	21	20	18	14	7
10	17	22	25	26	27	26	23	18	9
11	20	27	30	31	31	30	27	20	10
13	27	38	39	37	35	33	29	22	11
18	41	65	54	44	39	35	30	22	12
23	59	134	72	50	41	35	30	22	11
19	42	66	54	43	36	32	27	19	10
13	26	36	35	31	27	24	20	14	7
6	12	16	17	16	14	12	10	7	3

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

5	8	10	11	12	12	12	11	8	4
8	14	17	19	20	21	20	18	14	7
10	17	22	25	26	27	26	23	18	9
11	20	27	30	31	31	30	27	20	10
13	27	38	39	37	35	33	29	22	11
18	41	65	54	44	39	35	30	22	12
23	59	134	72	50	41	35	30	22	11
19	42	66	54	43	36	32	27	19	10
13	26	36	35	31	27	24	20	14	7
6	12	16	17	16	14	12	10	7	3