Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 31°C. We apply continuously 111°C heat to the field 3x3
What is the temperature (rounded to whole numbers) in the field 2x9 after 99 iterations according to the Gauss-Seidel iteration

Field in the beginning

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

Field after 4 iterations (rounded after 4th iteration)

4	7	11	14	14	13	12	10	7	4
7	15	26	37	34	28	23	18	13	7
11	26	52	84	62	44	33	25	17	9
14	37	84	198	95	57	39	29	20	10
14	34	62	95	72	52	40	31	22	11
13	28	44	57	52	44	37	30	22	11
12	23	33	39	40	37	34	28	20	10
10	18	25	29	31	30	28	24	17	9
7	13	17	20	22	22	20	17	12	6
4	7	9	10	11	11	10	9	6	3

Temperature in field 2x9 after 99 iterations:

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	11	14	14	13	12	10	7	4
7	15	26	37	34	28	23	18	13	7
11	26	52	84	62	44	33	25	17	9
14	37	84	198	95	57	39	29	20	10
14	34	62	95	72	52	40	31	22	11
13	28	44	57	52	44	37	30	22	11
12	23	33	39	40	37	34	28	20	10
10	18	25	29	31	30	28	24	17	9
7	13	17	20	22	22	20	17	12	6
4	7	9	10	11	11	10	9	6	3

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	11	14	14	13	12	10	7	4
7	15	26	37	34	28	23	18	13	7
11	26	52	84	62	44	33	25	17	9
14	37	84	198	95	57	39	29	20	10
14	34	62	95	72	52	40	31	22	11
13	28	44	57	52	44	37	30	22	11
12	23	33	39	40	37	34	28	20	10
10	18	25	29	31	30	28	24	17	9
7	13	17	20	22	22	20	17	12	6
4	7	9	10	11	11	10	9	6	3

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	11	14	14	13	12	10	7	4
7	15	26	37	34	28	23	18	13	7
11	26	52	84	62	44	33	25	17	9
14	37	84	198	95	57	39	29	20	10
14	34	62	95	72	52	40	31	22	11
13	28	44	57	52	44	37	30	22	11
12	23	33	39	40	37	34	28	20	10
10	18	25	29	31	30	28	24	17	9
7	13	17	20	22	22	20	17	12	6
4	7	9	10	11	11	10	9	6	3