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 144°C heat to the field 2x8
What is the temperature (rounded to whole numbers) in the field 7x0 after 115 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	10	10	10	9	7	3
7	12	14	16	17	17	17	15	11	6
8	14	18	20	22	22	22	19	15	8
9	16	20	23	24	25	24	22	17	9
10	17	22	25	26	27	26	23	18	9
10	19	28	30	30	29	28	24	18	10
13	31	47	45	38	33	29	25	18	9
22	57	100	72	49	36	29	23	16	8
30	90	236	103	54	34	24	18	12	6
18	47	84	54	32	20	14	10	6	3

Temperature in field 7x0 after 115 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	10	10	10	9	7	3
7	12	14	16	17	17	17	15	11	6
8	14	18	20	22	22	22	19	15	8
9	16	20	23	24	25	24	22	17	9
10	17	22	25	26	27	26	23	18	9
10	19	28	30	30	29	28	24	18	10
13	31	47	45	38	33	29	25	18	9
22	57	100	72	49	36	29	23	16	8
30	90	236	103	54	34	24	18	12	6
18	47	84	54	32	20	14	10	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	10	10	10	9	7	3
7	12	14	16	17	17	17	15	11	6
8	14	18	20	22	22	22	19	15	8
9	16	20	23	24	25	24	22	17	9
10	17	22	25	26	27	26	23	18	9
10	19	28	30	30	29	28	24	18	10
13	31	47	45	38	33	29	25	18	9
22	57	100	72	49	36	29	23	16	8
30	90	236	103	54	34	24	18	12	6
18	47	84	54	32	20	14	10	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	10	10	10	9	7	3
7	12	14	16	17	17	17	15	11	6
8	14	18	20	22	22	22	19	15	8
9	16	20	23	24	25	24	22	17	9
10	17	22	25	26	27	26	23	18	9
10	19	28	30	30	29	28	24	18	10
13	31	47	45	38	33	29	25	18	9
22	57	100	72	49	36	29	23	16	8
30	90	236	103	54	34	24	18	12	6
18	47	84	54	32	20	14	10	6	3