Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 17°C. We apply continuously 78°C heat to the field 5x5
What is the temperature (rounded to whole numbers) in the field 8x5 after 127 iterations according to the Gauss-Seidel iteration

Field in the beginning

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

Field after 4 iterations (rounded after 4th iteration)

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	4
5	8	11	12	14	16	16	13	10	5
5	9	12	15	22	29	25	19	13	6
6	10	14	22	38	59	43	28	17	8
6	10	16	29	59	138	64	35	20	9
6	10	16	25	43	64	47	31	19	9
5	9	13	19	28	35	31	23	15	7
4	7	10	13	17	20	19	15	10	5
2	4	5	6	8	9	9	7	5	2

Temperature in field 8x5 after 127 iterations:

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	4
5	8	11	12	14	16	16	13	10	5
5	9	12	15	22	29	25	19	13	6
6	10	14	22	38	59	43	28	17	8
6	10	16	29	59	138	64	35	20	9
6	10	16	25	43	64	47	31	19	9
5	9	13	19	28	35	31	23	15	7
4	7	10	13	17	20	19	15	10	5
2	4	5	6	8	9	9	7	5	2

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	4
5	8	11	12	14	16	16	13	10	5
5	9	12	15	22	29	25	19	13	6
6	10	14	22	38	59	43	28	17	8
6	10	16	29	59	138	64	35	20	9
6	10	16	25	43	64	47	31	19	9
5	9	13	19	28	35	31	23	15	7
4	7	10	13	17	20	19	15	10	5
2	4	5	6	8	9	9	7	5	2

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	4
5	8	11	12	14	16	16	13	10	5
5	9	12	15	22	29	25	19	13	6
6	10	14	22	38	59	43	28	17	8
6	10	16	29	59	138	64	35	20	9
6	10	16	25	43	64	47	31	19	9
5	9	13	19	28	35	31	23	15	7
4	7	10	13	17	20	19	15	10	5
2	4	5	6	8	9	9	7	5	2