Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 29°C. We apply continuously 186°C heat to the field 1x8
What is the temperature (rounded to whole numbers) in the field 0x7 after 54 iterations according to the Gauss-Seidel iteration

Field in the beginning

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

Field after 4 iterations (rounded after 4th iteration)

4	7	8	9	10	10	10	9	7	3
7	12	14	16	17	17	17	15	11	6
8	14	18	20	22	22	22	19	15	8
9	16	20	23	24	25	24	22	17	9
10	18	22	25	26	27	26	23	18	9
13	25	29	29	29	28	27	24	18	10
26	50	47	40	34	30	28	24	18	9
56	117	83	55	39	31	26	22	16	8
97	293	124	63	37	27	21	17	12	6
48	101	65	37	23	15	12	9	6	3

Temperature in field 0x7 after 54 iterations:

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

4	7	8	9	10	10	10	9	7	3
7	12	14	16	17	17	17	15	11	6
8	14	18	20	22	22	22	19	15	8
9	16	20	23	24	25	24	22	17	9
10	18	22	25	26	27	26	23	18	9
13	25	29	29	29	28	27	24	18	10
26	50	47	40	34	30	28	24	18	9
56	117	83	55	39	31	26	22	16	8
97	293	124	63	37	27	21	17	12	6
48	101	65	37	23	15	12	9	6	3

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

4	7	8	9	10	10	10	9	7	3
7	12	14	16	17	17	17	15	11	6
8	14	18	20	22	22	22	19	15	8
9	16	20	23	24	25	24	22	17	9
10	18	22	25	26	27	26	23	18	9
13	25	29	29	29	28	27	24	18	10
26	50	47	40	34	30	28	24	18	9
56	117	83	55	39	31	26	22	16	8
97	293	124	63	37	27	21	17	12	6
48	101	65	37	23	15	12	9	6	3

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

4	7	8	9	10	10	10	9	7	3
7	12	14	16	17	17	17	15	11	6
8	14	18	20	22	22	22	19	15	8
9	16	20	23	24	25	24	22	17	9
10	18	22	25	26	27	26	23	18	9
13	25	29	29	29	28	27	24	18	10
26	50	47	40	34	30	28	24	18	9
56	117	83	55	39	31	26	22	16	8
97	293	124	63	37	27	21	17	12	6
48	101	65	37	23	15	12	9	6	3