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 181°C heat to the field 3x4
What is the temperature (rounded to whole numbers) in the field 7x0 after 42 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	7	7	7	7	6	4	2
4	8	12	18	18	16	13	11	8	4
5	14	29	46	40	29	22	16	11	6
9	28	66	117	80	49	31	21	14	7
13	44	116	299	130	66	39	25	16	8
13	37	78	129	90	57	37	25	16	8
11	26	47	65	56	43	31	23	15	8
8	17	28	36	35	30	24	19	13	6
5	11	16	20	21	19	17	13	9	4
3	5	8	9	10	9	8	7	4	2

Temperature in field 7x0 after 42 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	7	7	7	7	6	4	2
4	8	12	18	18	16	13	11	8	4
5	14	29	46	40	29	22	16	11	6
9	28	66	117	80	49	31	21	14	7
13	44	116	299	130	66	39	25	16	8
13	37	78	129	90	57	37	25	16	8
11	26	47	65	56	43	31	23	15	8
8	17	28	36	35	30	24	19	13	6
5	11	16	20	21	19	17	13	9	4
3	5	8	9	10	9	8	7	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	7	7	7	7	6	4	2
4	8	12	18	18	16	13	11	8	4
5	14	29	46	40	29	22	16	11	6
9	28	66	117	80	49	31	21	14	7
13	44	116	299	130	66	39	25	16	8
13	37	78	129	90	57	37	25	16	8
11	26	47	65	56	43	31	23	15	8
8	17	28	36	35	30	24	19	13	6
5	11	16	20	21	19	17	13	9	4
3	5	8	9	10	9	8	7	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	7	7	7	7	6	4	2
4	8	12	18	18	16	13	11	8	4
5	14	29	46	40	29	22	16	11	6
9	28	66	117	80	49	31	21	14	7
13	44	116	299	130	66	39	25	16	8
13	37	78	129	90	57	37	25	16	8
11	26	47	65	56	43	31	23	15	8
8	17	28	36	35	30	24	19	13	6
5	11	16	20	21	19	17	13	9	4
3	5	8	9	10	9	8	7	4	2