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 198°C heat to the field 2x8
What is the temperature (rounded to whole numbers) in the field 6x9 after 83 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	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	15	16	16	15	14	10	5
6	13	21	22	20	19	17	15	11	6
10	29	48	42	32	24	19	15	11	6
23	66	122	82	49	30	21	15	10	5
36	115	313	128	60	32	19	13	8	4
23	60	109	68	37	20	12	7	4	2

Temperature in field 6x9 after 83 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	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	15	16	16	15	14	10	5
6	13	21	22	20	19	17	15	11	6
10	29	48	42	32	24	19	15	11	6
23	66	122	82	49	30	21	15	10	5
36	115	313	128	60	32	19	13	8	4
23	60	109	68	37	20	12	7	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	4	2
4	7	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	15	16	16	15	14	10	5
6	13	21	22	20	19	17	15	11	6
10	29	48	42	32	24	19	15	11	6
23	66	122	82	49	30	21	15	10	5
36	115	313	128	60	32	19	13	8	4
23	60	109	68	37	20	12	7	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	4	2
4	7	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	15	16	16	15	14	10	5
6	13	21	22	20	19	17	15	11	6
10	29	48	42	32	24	19	15	11	6
23	66	122	82	49	30	21	15	10	5
36	115	313	128	60	32	19	13	8	4
23	60	109	68	37	20	12	7	4	2