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 123°C heat to the field 9x3
What is the temperature (rounded to whole numbers) in the field 9x1 after 84 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)

5	8	10	11	11	12	11	10	10	8
8	14	17	19	20	20	20	21	24	23
10	17	21	24	25	26	27	34	48	61
11	19	24	27	28	30	33	46	80	174
11	20	25	28	30	32	35	43	56	65
12	20	26	29	31	32	34	37	38	31
11	20	25	29	30	32	32	32	28	18
10	18	23	26	27	28	28	26	21	12
8	13	17	19	21	21	21	19	14	8
4	7	9	10	11	11	11	9	7	4

Temperature in field 9x1 after 84 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

5	8	10	11	11	12	11	10	10	8
8	14	17	19	20	20	20	21	24	23
10	17	21	24	25	26	27	34	48	61
11	19	24	27	28	30	33	46	80	174
11	20	25	28	30	32	35	43	56	65
12	20	26	29	31	32	34	37	38	31
11	20	25	29	30	32	32	32	28	18
10	18	23	26	27	28	28	26	21	12
8	13	17	19	21	21	21	19	14	8
4	7	9	10	11	11	11	9	7	4

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

5	8	10	11	11	12	11	10	10	8
8	14	17	19	20	20	20	21	24	23
10	17	21	24	25	26	27	34	48	61
11	19	24	27	28	30	33	46	80	174
11	20	25	28	30	32	35	43	56	65
12	20	26	29	31	32	34	37	38	31
11	20	25	29	30	32	32	32	28	18
10	18	23	26	27	28	28	26	21	12
8	13	17	19	21	21	21	19	14	8
4	7	9	10	11	11	11	9	7	4

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

5	8	10	11	11	12	11	10	10	8
8	14	17	19	20	20	20	21	24	23
10	17	21	24	25	26	27	34	48	61
11	19	24	27	28	30	33	46	80	174
11	20	25	28	30	32	35	43	56	65
12	20	26	29	31	32	34	37	38	31
11	20	25	29	30	32	32	32	28	18
10	18	23	26	27	28	28	26	21	12
8	13	17	19	21	21	21	19	14	8
4	7	9	10	11	11	11	9	7	4