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 148°C heat to the field 1x1
What is the temperature (rounded to whole numbers) in the field 9x6 after 78 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)

38	80	52	32	21	16	13	11	8	4
80	238	105	56	36	27	23	19	14	7
52	105	79	55	41	34	29	25	18	9
32	56	55	47	40	36	32	28	21	11
21	36	41	40	38	36	33	29	22	11
16	27	34	36	36	35	34	30	22	12
13	23	29	32	33	34	33	29	21	11
11	19	25	28	29	30	29	25	19	9
8	14	18	21	22	22	21	19	13	7
4	7	9	11	11	12	11	9	7	3

Temperature in field 9x6 after 78 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

38	80	52	32	21	16	13	11	8	4
80	238	105	56	36	27	23	19	14	7
52	105	79	55	41	34	29	25	18	9
32	56	55	47	40	36	32	28	21	11
21	36	41	40	38	36	33	29	22	11
16	27	34	36	36	35	34	30	22	12
13	23	29	32	33	34	33	29	21	11
11	19	25	28	29	30	29	25	19	9
8	14	18	21	22	22	21	19	13	7
4	7	9	11	11	12	11	9	7	3

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

38	80	52	32	21	16	13	11	8	4
80	238	105	56	36	27	23	19	14	7
52	105	79	55	41	34	29	25	18	9
32	56	55	47	40	36	32	28	21	11
21	36	41	40	38	36	33	29	22	11
16	27	34	36	36	35	34	30	22	12
13	23	29	32	33	34	33	29	21	11
11	19	25	28	29	30	29	25	19	9
8	14	18	21	22	22	21	19	13	7
4	7	9	11	11	12	11	9	7	3

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

38	80	52	32	21	16	13	11	8	4
80	238	105	56	36	27	23	19	14	7
52	105	79	55	41	34	29	25	18	9
32	56	55	47	40	36	32	28	21	11
21	36	41	40	38	36	33	29	22	11
16	27	34	36	36	35	34	30	22	12
13	23	29	32	33	34	33	29	21	11
11	19	25	28	29	30	29	25	19	9
8	14	18	21	22	22	21	19	13	7
4	7	9	11	11	12	11	9	7	3