Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 19°C. We apply continuously 126°C heat to the field 1x5
What is the temperature (rounded to whole numbers) in the field 4x3 after 65 iterations according to the Gauss-Seidel iteration

Field in the beginning

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

Field after 4 iterations (rounded after 4th iteration)

3	4	5	6	6	6	6	6	4	2
4	8	10	11	11	11	11	10	7	4
7	15	17	16	16	15	15	13	10	5
17	33	31	25	21	19	17	15	11	6
38	80	58	39	28	22	19	16	12	6
69	205	92	50	32	24	20	17	12	6
43	86	64	43	31	24	20	17	12	6
23	41	39	31	25	21	18	15	11	5
12	21	22	20	17	15	13	11	8	4
5	9	10	10	9	8	7	6	4	2

Temperature in field 4x3 after 65 iterations:

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	4	5	6	6	6	6	6	4	2
4	8	10	11	11	11	11	10	7	4
7	15	17	16	16	15	15	13	10	5
17	33	31	25	21	19	17	15	11	6
38	80	58	39	28	22	19	16	12	6
69	205	92	50	32	24	20	17	12	6
43	86	64	43	31	24	20	17	12	6
23	41	39	31	25	21	18	15	11	5
12	21	22	20	17	15	13	11	8	4
5	9	10	10	9	8	7	6	4	2

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	4	5	6	6	6	6	6	4	2
4	8	10	11	11	11	11	10	7	4
7	15	17	16	16	15	15	13	10	5
17	33	31	25	21	19	17	15	11	6
38	80	58	39	28	22	19	16	12	6
69	205	92	50	32	24	20	17	12	6
43	86	64	43	31	24	20	17	12	6
23	41	39	31	25	21	18	15	11	5
12	21	22	20	17	15	13	11	8	4
5	9	10	10	9	8	7	6	4	2

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	4	5	6	6	6	6	6	4	2
4	8	10	11	11	11	11	10	7	4
7	15	17	16	16	15	15	13	10	5
17	33	31	25	21	19	17	15	11	6
38	80	58	39	28	22	19	16	12	6
69	205	92	50	32	24	20	17	12	6
43	86	64	43	31	24	20	17	12	6
23	41	39	31	25	21	18	15	11	5
12	21	22	20	17	15	13	11	8	4
5	9	10	10	9	8	7	6	4	2