Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 17°C. We apply continuously 129°C heat to the field 9x3
What is the temperature (rounded to whole numbers) in the field 0x2 after 115 iterations according to the Gauss-Seidel iteration

Field in the beginning

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

Field after 4 iterations (rounded after 4th iteration)

2	4	5	5	6	6	6	5	6	6
4	7	8	9	10	10	10	12	18	20
5	8	11	12	13	13	15	23	41	59
5	9	12	13	14	15	19	34	74	177
6	10	13	14	15	16	20	30	48	63
6	10	13	15	16	16	19	23	29	26
6	10	13	14	15	16	17	18	18	13
5	9	11	13	14	14	15	14	12	8
4	7	9	10	10	11	11	10	8	4
2	3	4	5	5	6	5	5	4	2

Temperature in field 0x2 after 115 iterations:

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	6	6
4	7	8	9	10	10	10	12	18	20
5	8	11	12	13	13	15	23	41	59
5	9	12	13	14	15	19	34	74	177
6	10	13	14	15	16	20	30	48	63
6	10	13	15	16	16	19	23	29	26
6	10	13	14	15	16	17	18	18	13
5	9	11	13	14	14	15	14	12	8
4	7	9	10	10	11	11	10	8	4
2	3	4	5	5	6	5	5	4	2

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	6	6
4	7	8	9	10	10	10	12	18	20
5	8	11	12	13	13	15	23	41	59
5	9	12	13	14	15	19	34	74	177
6	10	13	14	15	16	20	30	48	63
6	10	13	15	16	16	19	23	29	26
6	10	13	14	15	16	17	18	18	13
5	9	11	13	14	14	15	14	12	8
4	7	9	10	10	11	11	10	8	4
2	3	4	5	5	6	5	5	4	2

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	6	6
4	7	8	9	10	10	10	12	18	20
5	8	11	12	13	13	15	23	41	59
5	9	12	13	14	15	19	34	74	177
6	10	13	14	15	16	20	30	48	63
6	10	13	15	16	16	19	23	29	26
6	10	13	14	15	16	17	18	18	13
5	9	11	13	14	14	15	14	12	8
4	7	9	10	10	11	11	10	8	4
2	3	4	5	5	6	5	5	4	2