Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 34°C. We apply continuously 142°C heat to the field 2x2
What is the temperature (rounded to whole numbers) in the field 7x3 after 64 iterations according to the Gauss-Seidel iteration

Field in the beginning

34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34

Field after 4 iterations (rounded after 4th iteration)

8	21	34	29	22	17	14	11	8	4
21	55	96	68	45	32	25	20	14	7
34	96	243	112	63	43	33	26	18	9
29	68	112	84	59	45	36	29	21	11
22	45	63	59	50	42	36	30	22	11
17	32	43	45	42	39	35	30	22	12
14	25	33	36	36	35	33	29	21	11
11	20	26	29	30	30	29	25	18	9
8	14	18	21	22	22	21	18	13	7
4	7	9	11	11	12	11	9	7	3

Temperature in field 7x3 after 64 iterations:

34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34

8	21	34	29	22	17	14	11	8	4
21	55	96	68	45	32	25	20	14	7
34	96	243	112	63	43	33	26	18	9
29	68	112	84	59	45	36	29	21	11
22	45	63	59	50	42	36	30	22	11
17	32	43	45	42	39	35	30	22	12
14	25	33	36	36	35	33	29	21	11
11	20	26	29	30	30	29	25	18	9
8	14	18	21	22	22	21	18	13	7
4	7	9	11	11	12	11	9	7	3

34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34

8	21	34	29	22	17	14	11	8	4
21	55	96	68	45	32	25	20	14	7
34	96	243	112	63	43	33	26	18	9
29	68	112	84	59	45	36	29	21	11
22	45	63	59	50	42	36	30	22	11
17	32	43	45	42	39	35	30	22	12
14	25	33	36	36	35	33	29	21	11
11	20	26	29	30	30	29	25	18	9
8	14	18	21	22	22	21	18	13	7
4	7	9	11	11	12	11	9	7	3

34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34

8	21	34	29	22	17	14	11	8	4
21	55	96	68	45	32	25	20	14	7
34	96	243	112	63	43	33	26	18	9
29	68	112	84	59	45	36	29	21	11
22	45	63	59	50	42	36	30	22	11
17	32	43	45	42	39	35	30	22	12
14	25	33	36	36	35	33	29	21	11
11	20	26	29	30	30	29	25	18	9
8	14	18	21	22	22	21	18	13	7
4	7	9	11	11	12	11	9	7	3