Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 35°C. We apply continuously 158°C heat to the field 7x2
What is the temperature (rounded to whole numbers) in the field 2x4 after 35 iterations according to the Gauss-Seidel iteration

Field in the beginning

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

Field after 4 iterations (rounded after 4th iteration)

5	8	10	11	12	16	26	37	28	14
8	14	17	19	23	36	66	107	68	31
10	17	22	25	32	55	115	270	114	46
11	19	25	28	35	52	85	125	82	39
12	20	26	30	35	45	60	71	54	28
12	21	27	30	34	39	46	48	38	21
12	20	26	30	32	35	38	37	29	16
11	18	23	27	29	30	31	29	22	12
8	14	18	20	22	22	22	20	15	8
4	7	9	10	11	12	11	10	7	4

Temperature in field 2x4 after 35 iterations:

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

5	8	10	11	12	16	26	37	28	14
8	14	17	19	23	36	66	107	68	31
10	17	22	25	32	55	115	270	114	46
11	19	25	28	35	52	85	125	82	39
12	20	26	30	35	45	60	71	54	28
12	21	27	30	34	39	46	48	38	21
12	20	26	30	32	35	38	37	29	16
11	18	23	27	29	30	31	29	22	12
8	14	18	20	22	22	22	20	15	8
4	7	9	10	11	12	11	10	7	4

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

5	8	10	11	12	16	26	37	28	14
8	14	17	19	23	36	66	107	68	31
10	17	22	25	32	55	115	270	114	46
11	19	25	28	35	52	85	125	82	39
12	20	26	30	35	45	60	71	54	28
12	21	27	30	34	39	46	48	38	21
12	20	26	30	32	35	38	37	29	16
11	18	23	27	29	30	31	29	22	12
8	14	18	20	22	22	22	20	15	8
4	7	9	10	11	12	11	10	7	4

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

5	8	10	11	12	16	26	37	28	14
8	14	17	19	23	36	66	107	68	31
10	17	22	25	32	55	115	270	114	46
11	19	25	28	35	52	85	125	82	39
12	20	26	30	35	45	60	71	54	28
12	21	27	30	34	39	46	48	38	21
12	20	26	30	32	35	38	37	29	16
11	18	23	27	29	30	31	29	22	12
8	14	18	20	22	22	22	20	15	8
4	7	9	10	11	12	11	10	7	4