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 183°C heat to the field 5x7
What is the temperature (rounded to whole numbers) in the field 8x2 after 139 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	26	25	23	17	9
10	17	22	24	29	34	33	28	20	10
10	17	22	29	44	60	52	39	26	13
10	17	24	42	79	130	91	57	33	15
9	16	27	55	126	310	137	70	37	16
7	12	21	42	81	131	89	53	30	13
3	7	12	22	38	52	42	28	16	7

Temperature in field 8x2 after 139 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	26	25	23	17	9
10	17	22	24	29	34	33	28	20	10
10	17	22	29	44	60	52	39	26	13
10	17	24	42	79	130	91	57	33	15
9	16	27	55	126	310	137	70	37	16
7	12	21	42	81	131	89	53	30	13
3	7	12	22	38	52	42	28	16	7

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	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	26	25	23	17	9
10	17	22	24	29	34	33	28	20	10
10	17	22	29	44	60	52	39	26	13
10	17	24	42	79	130	91	57	33	15
9	16	27	55	126	310	137	70	37	16
7	12	21	42	81	131	89	53	30	13
3	7	12	22	38	52	42	28	16	7

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	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	26	25	23	17	9
10	17	22	24	29	34	33	28	20	10
10	17	22	29	44	60	52	39	26	13
10	17	24	42	79	130	91	57	33	15
9	16	27	55	126	310	137	70	37	16
7	12	21	42	81	131	89	53	30	13
3	7	12	22	38	52	42	28	16	7