Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 19°C. We apply continuously 106°C heat to the field 5x9
What is the temperature (rounded to whole numbers) in the field 2x3 after 99 iterations according to the Gauss-Seidel iteration

Field in the beginning

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

Field after 4 iterations (rounded after 4th iteration)

3	4	5	6	6	6	6	6	4	2
4	8	9	11	11	11	11	10	7	4
5	9	12	13	14	14	14	13	10	5
6	11	13	15	16	16	16	14	11	6
6	11	14	16	17	17	17	15	12	6
6	11	14	16	17	18	18	16	12	6
6	11	14	16	19	22	21	18	13	7
6	10	13	17	25	33	29	21	14	7
4	7	11	20	39	64	42	25	14	6
2	4	8	19	51	148	53	22	10	4

Temperature in field 2x3 after 99 iterations:

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	4	5	6	6	6	6	6	4	2
4	8	9	11	11	11	11	10	7	4
5	9	12	13	14	14	14	13	10	5
6	11	13	15	16	16	16	14	11	6
6	11	14	16	17	17	17	15	12	6
6	11	14	16	17	18	18	16	12	6
6	11	14	16	19	22	21	18	13	7
6	10	13	17	25	33	29	21	14	7
4	7	11	20	39	64	42	25	14	6
2	4	8	19	51	148	53	22	10	4

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	4	5	6	6	6	6	6	4	2
4	8	9	11	11	11	11	10	7	4
5	9	12	13	14	14	14	13	10	5
6	11	13	15	16	16	16	14	11	6
6	11	14	16	17	17	17	15	12	6
6	11	14	16	17	18	18	16	12	6
6	11	14	16	19	22	21	18	13	7
6	10	13	17	25	33	29	21	14	7
4	7	11	20	39	64	42	25	14	6
2	4	8	19	51	148	53	22	10	4

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	4	5	6	6	6	6	6	4	2
4	8	9	11	11	11	11	10	7	4
5	9	12	13	14	14	14	13	10	5
6	11	13	15	16	16	16	14	11	6
6	11	14	16	17	17	17	15	12	6
6	11	14	16	17	18	18	16	12	6
6	11	14	16	19	22	21	18	13	7
6	10	13	17	25	33	29	21	14	7
4	7	11	20	39	64	42	25	14	6
2	4	8	19	51	148	53	22	10	4