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 166°C heat to the field 6x9
What is the temperature (rounded to whole numbers) in the field 9x7 after 129 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	17	22	24	26	26	26	23	18	9
10	17	22	25	26	27	27	25	19	10
10	17	22	24	26	29	33	30	21	11
9	15	19	22	27	39	51	42	27	13
7	11	15	19	32	60	100	63	34	15
3	6	8	14	30	80	231	81	32	12

Temperature in field 9x7 after 129 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	17	22	24	26	26	26	23	18	9
10	17	22	25	26	27	27	25	19	10
10	17	22	24	26	29	33	30	21	11
9	15	19	22	27	39	51	42	27	13
7	11	15	19	32	60	100	63	34	15
3	6	8	14	30	80	231	81	32	12

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	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	17	22	24	26	26	26	23	18	9
10	17	22	25	26	27	27	25	19	10
10	17	22	24	26	29	33	30	21	11
9	15	19	22	27	39	51	42	27	13
7	11	15	19	32	60	100	63	34	15
3	6	8	14	30	80	231	81	32	12

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	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	17	22	24	26	26	26	23	18	9
10	17	22	25	26	27	27	25	19	10
10	17	22	24	26	29	33	30	21	11
9	15	19	22	27	39	51	42	27	13
7	11	15	19	32	60	100	63	34	15
3	6	8	14	30	80	231	81	32	12