Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 29°C. We apply continuously 92°C heat to the field 7x1
What is the temperature (rounded to whole numbers) in the field 1x4 after 73 iterations according to the Gauss-Seidel iteration

Field in the beginning

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

Field after 4 iterations (rounded after 4th iteration)

4	7	8	9	11	18	33	54	33	14
7	12	14	16	21	33	67	157	66	26
8	14	18	21	25	35	54	76	50	23
9	16	20	23	27	32	41	46	35	18
10	17	22	24	27	30	34	34	27	15
10	17	22	25	27	29	30	29	23	12
10	17	22	24	26	27	28	26	20	10
9	15	19	22	23	24	24	22	16	8
7	11	15	17	18	18	18	16	11	6
3	6	8	9	9	10	9	8	6	3

Temperature in field 1x4 after 73 iterations:

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

4	7	8	9	11	18	33	54	33	14
7	12	14	16	21	33	67	157	66	26
8	14	18	21	25	35	54	76	50	23
9	16	20	23	27	32	41	46	35	18
10	17	22	24	27	30	34	34	27	15
10	17	22	25	27	29	30	29	23	12
10	17	22	24	26	27	28	26	20	10
9	15	19	22	23	24	24	22	16	8
7	11	15	17	18	18	18	16	11	6
3	6	8	9	9	10	9	8	6	3

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

4	7	8	9	11	18	33	54	33	14
7	12	14	16	21	33	67	157	66	26
8	14	18	21	25	35	54	76	50	23
9	16	20	23	27	32	41	46	35	18
10	17	22	24	27	30	34	34	27	15
10	17	22	25	27	29	30	29	23	12
10	17	22	24	26	27	28	26	20	10
9	15	19	22	23	24	24	22	16	8
7	11	15	17	18	18	18	16	11	6
3	6	8	9	9	10	9	8	6	3

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

4	7	8	9	11	18	33	54	33	14
7	12	14	16	21	33	67	157	66	26
8	14	18	21	25	35	54	76	50	23
9	16	20	23	27	32	41	46	35	18
10	17	22	24	27	30	34	34	27	15
10	17	22	25	27	29	30	29	23	12
10	17	22	24	26	27	28	26	20	10
9	15	19	22	23	24	24	22	16	8
7	11	15	17	18	18	18	16	11	6
3	6	8	9	9	10	9	8	6	3