Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 22°C. We apply continuously 150°C heat to the field 3x5
What is the temperature (rounded to whole numbers) in the field 0x8 after 147 iterations according to the Gauss-Seidel iteration

Field in the beginning

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

Field after 4 iterations (rounded after 4th iteration)

3	5	6	7	7	7	7	7	5	3
5	9	11	13	14	14	13	12	9	5
6	11	16	21	22	20	18	16	11	6
7	16	30	44	40	31	25	20	14	7
10	27	60	103	72	47	33	23	16	8
13	40	101	253	114	61	38	26	17	9
13	34	69	112	80	53	36	26	17	8
10	24	42	57	50	39	30	22	15	7
7	15	24	30	30	25	21	16	10	5
3	7	11	14	14	12	10	8	5	3

Temperature in field 0x8 after 147 iterations:

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

3	5	6	7	7	7	7	7	5	3
5	9	11	13	14	14	13	12	9	5
6	11	16	21	22	20	18	16	11	6
7	16	30	44	40	31	25	20	14	7
10	27	60	103	72	47	33	23	16	8
13	40	101	253	114	61	38	26	17	9
13	34	69	112	80	53	36	26	17	8
10	24	42	57	50	39	30	22	15	7
7	15	24	30	30	25	21	16	10	5
3	7	11	14	14	12	10	8	5	3

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

3	5	6	7	7	7	7	7	5	3
5	9	11	13	14	14	13	12	9	5
6	11	16	21	22	20	18	16	11	6
7	16	30	44	40	31	25	20	14	7
10	27	60	103	72	47	33	23	16	8
13	40	101	253	114	61	38	26	17	9
13	34	69	112	80	53	36	26	17	8
10	24	42	57	50	39	30	22	15	7
7	15	24	30	30	25	21	16	10	5
3	7	11	14	14	12	10	8	5	3

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

3	5	6	7	7	7	7	7	5	3
5	9	11	13	14	14	13	12	9	5
6	11	16	21	22	20	18	16	11	6
7	16	30	44	40	31	25	20	14	7
10	27	60	103	72	47	33	23	16	8
13	40	101	253	114	61	38	26	17	9
13	34	69	112	80	53	36	26	17	8
10	24	42	57	50	39	30	22	15	7
7	15	24	30	30	25	21	16	10	5
3	7	11	14	14	12	10	8	5	3