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 69°C heat to the field 0x5
What is the temperature (rounded to whole numbers) in the field 9x5 after 105 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	4	2
4	7	9	10	10	10	10	9	7	3
7	11	12	13	13	13	13	11	9	4
14	17	17	16	15	15	15	13	10	5
35	30	23	19	18	17	16	14	10	5
98	47	29	22	19	17	16	14	11	6
36	32	25	21	18	17	16	14	10	5
16	20	19	17	16	15	14	12	9	5
8	12	13	12	12	11	11	9	7	3
3	5	6	6	6	6	6	5	3	2

Temperature in field 9x5 after 105 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	4	2
4	7	9	10	10	10	10	9	7	3
7	11	12	13	13	13	13	11	9	4
14	17	17	16	15	15	15	13	10	5
35	30	23	19	18	17	16	14	10	5
98	47	29	22	19	17	16	14	11	6
36	32	25	21	18	17	16	14	10	5
16	20	19	17	16	15	14	12	9	5
8	12	13	12	12	11	11	9	7	3
3	5	6	6	6	6	6	5	3	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	4	2
4	7	9	10	10	10	10	9	7	3
7	11	12	13	13	13	13	11	9	4
14	17	17	16	15	15	15	13	10	5
35	30	23	19	18	17	16	14	10	5
98	47	29	22	19	17	16	14	11	6
36	32	25	21	18	17	16	14	10	5
16	20	19	17	16	15	14	12	9	5
8	12	13	12	12	11	11	9	7	3
3	5	6	6	6	6	6	5	3	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	4	2
4	7	9	10	10	10	10	9	7	3
7	11	12	13	13	13	13	11	9	4
14	17	17	16	15	15	15	13	10	5
35	30	23	19	18	17	16	14	10	5
98	47	29	22	19	17	16	14	11	6
36	32	25	21	18	17	16	14	10	5
16	20	19	17	16	15	14	12	9	5
8	12	13	12	12	11	11	9	7	3
3	5	6	6	6	6	6	5	3	2