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 63°C heat to the field 8x5
What is the temperature (rounded to whole numbers) in the field 3x9 after 131 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	12	13	13	13	11	9	5
6	11	14	15	16	17	16	16	14	8
7	12	15	17	18	19	20	23	24	14
7	13	16	18	20	21	26	36	48	25
7	13	17	19	20	23	32	53	111	41
7	13	16	19	20	23	29	40	51	27
7	11	15	17	18	20	23	27	27	16
5	9	11	13	14	15	16	17	15	9
3	4	6	7	7	8	8	8	7	4

Temperature in field 3x9 after 131 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	12	13	13	13	11	9	5
6	11	14	15	16	17	16	16	14	8
7	12	15	17	18	19	20	23	24	14
7	13	16	18	20	21	26	36	48	25
7	13	17	19	20	23	32	53	111	41
7	13	16	19	20	23	29	40	51	27
7	11	15	17	18	20	23	27	27	16
5	9	11	13	14	15	16	17	15	9
3	4	6	7	7	8	8	8	7	4

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	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	12	13	13	13	11	9	5
6	11	14	15	16	17	16	16	14	8
7	12	15	17	18	19	20	23	24	14
7	13	16	18	20	21	26	36	48	25
7	13	17	19	20	23	32	53	111	41
7	13	16	19	20	23	29	40	51	27
7	11	15	17	18	20	23	27	27	16
5	9	11	13	14	15	16	17	15	9
3	4	6	7	7	8	8	8	7	4

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	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	12	13	13	13	11	9	5
6	11	14	15	16	17	16	16	14	8
7	12	15	17	18	19	20	23	24	14
7	13	16	18	20	21	26	36	48	25
7	13	17	19	20	23	32	53	111	41
7	13	16	19	20	23	29	40	51	27
7	11	15	17	18	20	23	27	27	16
5	9	11	13	14	15	16	17	15	9
3	4	6	7	7	8	8	8	7	4