Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 13°C. We apply continuously 100°C heat to the field 2x4
What is the temperature (rounded to whole numbers) in the field 7x5 after 129 iterations according to the Gauss-Seidel iteration

Field in the beginning

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

Field after 4 iterations (rounded after 4th iteration)

2	3	4	5	5	5	4	4	3	2
3	7	10	11	10	9	8	7	5	3
6	16	26	23	18	14	12	10	7	4
13	36	65	45	29	20	15	11	8	4
21	63	166	73	39	24	17	13	9	5
17	42	72	51	34	23	17	13	9	5
12	25	37	33	26	20	16	13	9	4
7	15	21	21	18	16	13	11	8	4
5	9	12	13	12	11	10	8	5	3
2	4	5	6	6	6	5	4	3	1

Temperature in field 7x5 after 129 iterations:

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

2	3	4	5	5	5	4	4	3	2
3	7	10	11	10	9	8	7	5	3
6	16	26	23	18	14	12	10	7	4
13	36	65	45	29	20	15	11	8	4
21	63	166	73	39	24	17	13	9	5
17	42	72	51	34	23	17	13	9	5
12	25	37	33	26	20	16	13	9	4
7	15	21	21	18	16	13	11	8	4
5	9	12	13	12	11	10	8	5	3
2	4	5	6	6	6	5	4	3	1

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

2	3	4	5	5	5	4	4	3	2
3	7	10	11	10	9	8	7	5	3
6	16	26	23	18	14	12	10	7	4
13	36	65	45	29	20	15	11	8	4
21	63	166	73	39	24	17	13	9	5
17	42	72	51	34	23	17	13	9	5
12	25	37	33	26	20	16	13	9	4
7	15	21	21	18	16	13	11	8	4
5	9	12	13	12	11	10	8	5	3
2	4	5	6	6	6	5	4	3	1

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

2	3	4	5	5	5	4	4	3	2
3	7	10	11	10	9	8	7	5	3
6	16	26	23	18	14	12	10	7	4
13	36	65	45	29	20	15	11	8	4
21	63	166	73	39	24	17	13	9	5
17	42	72	51	34	23	17	13	9	5
12	25	37	33	26	20	16	13	9	4
7	15	21	21	18	16	13	11	8	4
5	9	12	13	12	11	10	8	5	3
2	4	5	6	6	6	5	4	3	1