Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 23°C. We apply continuously 102°C heat to the field 0x5
What is the temperature (rounded to whole numbers) in the field 8x7 after 120 iterations according to the Gauss-Seidel iteration

Field in the beginning

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

Field after 4 iterations (rounded after 4th iteration)

3	5	7	7	8	8	8	7	5	3
6	10	12	13	13	14	13	12	9	5
10	15	17	17	18	18	17	15	12	6
20	25	24	22	21	21	20	18	13	7
51	43	33	27	24	23	21	19	14	7
144	68	41	30	26	24	22	19	15	8
53	46	35	29	25	23	22	19	14	7
23	28	26	24	22	21	20	17	12	6
11	16	17	17	16	16	15	12	9	4
5	8	9	9	9	8	8	6	4	2

Temperature in field 8x7 after 120 iterations:

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

3	5	7	7	8	8	8	7	5	3
6	10	12	13	13	14	13	12	9	5
10	15	17	17	18	18	17	15	12	6
20	25	24	22	21	21	20	18	13	7
51	43	33	27	24	23	21	19	14	7
144	68	41	30	26	24	22	19	15	8
53	46	35	29	25	23	22	19	14	7
23	28	26	24	22	21	20	17	12	6
11	16	17	17	16	16	15	12	9	4
5	8	9	9	9	8	8	6	4	2

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

3	5	7	7	8	8	8	7	5	3
6	10	12	13	13	14	13	12	9	5
10	15	17	17	18	18	17	15	12	6
20	25	24	22	21	21	20	18	13	7
51	43	33	27	24	23	21	19	14	7
144	68	41	30	26	24	22	19	15	8
53	46	35	29	25	23	22	19	14	7
23	28	26	24	22	21	20	17	12	6
11	16	17	17	16	16	15	12	9	4
5	8	9	9	9	8	8	6	4	2

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

3	5	7	7	8	8	8	7	5	3
6	10	12	13	13	14	13	12	9	5
10	15	17	17	18	18	17	15	12	6
20	25	24	22	21	21	20	18	13	7
51	43	33	27	24	23	21	19	14	7
144	68	41	30	26	24	22	19	15	8
53	46	35	29	25	23	22	19	14	7
23	28	26	24	22	21	20	17	12	6
11	16	17	17	16	16	15	12	9	4
5	8	9	9	9	8	8	6	4	2