Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 21°C. We apply continuously 124°C heat to the field 1x0
What is the temperature (rounded to whole numbers) in the field 2x4 after 108 iterations according to the Gauss-Seidel iteration

Field in the beginning

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

Field after 4 iterations (rounded after 4th iteration)

50	169	60	26	14	10	8	7	5	3
35	72	49	31	21	16	14	12	9	4
21	37	35	28	23	20	17	15	11	6
13	23	26	24	22	21	19	17	12	6
10	17	21	22	21	21	20	17	13	7
8	15	18	20	21	21	20	18	13	7
7	13	17	19	20	20	19	17	13	7
7	11	14	16	17	18	17	15	11	6
5	8	11	12	13	13	13	11	8	4
2	4	6	6	7	7	7	6	4	2

Temperature in field 2x4 after 108 iterations:

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

50	169	60	26	14	10	8	7	5	3
35	72	49	31	21	16	14	12	9	4
21	37	35	28	23	20	17	15	11	6
13	23	26	24	22	21	19	17	12	6
10	17	21	22	21	21	20	17	13	7
8	15	18	20	21	21	20	18	13	7
7	13	17	19	20	20	19	17	13	7
7	11	14	16	17	18	17	15	11	6
5	8	11	12	13	13	13	11	8	4
2	4	6	6	7	7	7	6	4	2

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

50	169	60	26	14	10	8	7	5	3
35	72	49	31	21	16	14	12	9	4
21	37	35	28	23	20	17	15	11	6
13	23	26	24	22	21	19	17	12	6
10	17	21	22	21	21	20	17	13	7
8	15	18	20	21	21	20	18	13	7
7	13	17	19	20	20	19	17	13	7
7	11	14	16	17	18	17	15	11	6
5	8	11	12	13	13	13	11	8	4
2	4	6	6	7	7	7	6	4	2

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

50	169	60	26	14	10	8	7	5	3
35	72	49	31	21	16	14	12	9	4
21	37	35	28	23	20	17	15	11	6
13	23	26	24	22	21	19	17	12	6
10	17	21	22	21	21	20	17	13	7
8	15	18	20	21	21	20	18	13	7
7	13	17	19	20	20	19	17	13	7
7	11	14	16	17	18	17	15	11	6
5	8	11	12	13	13	13	11	8	4
2	4	6	6	7	7	7	6	4	2