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 79°C heat to the field 1x2
What is the temperature (rounded to whole numbers) in the field 6x3 after 76 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)

11	21	20	17	14	13	12	10	8	4
28	57	44	33	26	23	21	18	14	7
49	138	70	45	35	30	27	23	17	9
34	66	55	44	37	33	31	27	20	10
22	40	42	39	36	34	32	28	21	11
16	29	34	35	35	34	32	29	22	11
13	23	29	32	33	33	32	28	21	11
11	19	24	27	29	29	28	25	18	9
8	14	18	20	21	22	21	18	13	7
4	7	9	10	11	11	11	9	7	3

Temperature in field 6x3 after 76 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

11	21	20	17	14	13	12	10	8	4
28	57	44	33	26	23	21	18	14	7
49	138	70	45	35	30	27	23	17	9
34	66	55	44	37	33	31	27	20	10
22	40	42	39	36	34	32	28	21	11
16	29	34	35	35	34	32	29	22	11
13	23	29	32	33	33	32	28	21	11
11	19	24	27	29	29	28	25	18	9
8	14	18	20	21	22	21	18	13	7
4	7	9	10	11	11	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

11	21	20	17	14	13	12	10	8	4
28	57	44	33	26	23	21	18	14	7
49	138	70	45	35	30	27	23	17	9
34	66	55	44	37	33	31	27	20	10
22	40	42	39	36	34	32	28	21	11
16	29	34	35	35	34	32	29	22	11
13	23	29	32	33	33	32	28	21	11
11	19	24	27	29	29	28	25	18	9
8	14	18	20	21	22	21	18	13	7
4	7	9	10	11	11	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

11	21	20	17	14	13	12	10	8	4
28	57	44	33	26	23	21	18	14	7
49	138	70	45	35	30	27	23	17	9
34	66	55	44	37	33	31	27	20	10
22	40	42	39	36	34	32	28	21	11
16	29	34	35	35	34	32	29	22	11
13	23	29	32	33	33	32	28	21	11
11	19	24	27	29	29	28	25	18	9
8	14	18	20	21	22	21	18	13	7
4	7	9	10	11	11	11	9	7	3