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 75°C heat to the field 6x9
What is the temperature (rounded to whole numbers) in the field 2x9 after 63 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	4
6	11	14	15	16	17	16	15	11	6
7	12	15	17	18	19	19	17	13	7
7	13	16	18	20	20	20	18	13	7
7	13	17	19	20	21	21	19	14	7
7	13	16	19	20	21	23	21	15	8
7	11	15	17	19	25	30	25	17	8
5	9	11	14	20	33	51	33	19	8
3	4	6	9	17	39	107	39	16	6

Temperature in field 2x9 after 63 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	4
6	11	14	15	16	17	16	15	11	6
7	12	15	17	18	19	19	17	13	7
7	13	16	18	20	20	20	18	13	7
7	13	17	19	20	21	21	19	14	7
7	13	16	19	20	21	23	21	15	8
7	11	15	17	19	25	30	25	17	8
5	9	11	14	20	33	51	33	19	8
3	4	6	9	17	39	107	39	16	6

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	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	4
6	11	14	15	16	17	16	15	11	6
7	12	15	17	18	19	19	17	13	7
7	13	16	18	20	20	20	18	13	7
7	13	17	19	20	21	21	19	14	7
7	13	16	19	20	21	23	21	15	8
7	11	15	17	19	25	30	25	17	8
5	9	11	14	20	33	51	33	19	8
3	4	6	9	17	39	107	39	16	6

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	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	4
6	11	14	15	16	17	16	15	11	6
7	12	15	17	18	19	19	17	13	7
7	13	16	18	20	20	20	18	13	7
7	13	17	19	20	21	21	19	14	7
7	13	16	19	20	21	23	21	15	8
7	11	15	17	19	25	30	25	17	8
5	9	11	14	20	33	51	33	19	8
3	4	6	9	17	39	107	39	16	6