Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 6°C. We apply continuously 123°C heat to the field 5x0
What is the temperature (rounded to whole numbers) in the field 9x6 after 86 iterations according to the Gauss-Seidel iteration

Field in the beginning

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6

Field after 4 iterations (rounded after 4th iteration)

1	2	5	18	54	166	56	21	9	3
1	3	7	18	39	69	42	22	11	5
2	3	7	13	24	33	26	17	10	5
2	4	6	9	14	18	16	12	8	4
2	4	5	7	10	11	11	9	6	3
2	4	5	6	7	8	8	7	5	3
2	4	5	5	6	7	7	6	4	2
2	3	4	5	5	5	5	5	4	2
1	2	3	3	4	4	4	3	2	1
1	1	2	2	2	2	2	2	1	1

Temperature in field 9x6 after 86 iterations:

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6

1	2	5	18	54	166	56	21	9	3
1	3	7	18	39	69	42	22	11	5
2	3	7	13	24	33	26	17	10	5
2	4	6	9	14	18	16	12	8	4
2	4	5	7	10	11	11	9	6	3
2	4	5	6	7	8	8	7	5	3
2	4	5	5	6	7	7	6	4	2
2	3	4	5	5	5	5	5	4	2
1	2	3	3	4	4	4	3	2	1
1	1	2	2	2	2	2	2	1	1

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6

1	2	5	18	54	166	56	21	9	3
1	3	7	18	39	69	42	22	11	5
2	3	7	13	24	33	26	17	10	5
2	4	6	9	14	18	16	12	8	4
2	4	5	7	10	11	11	9	6	3
2	4	5	6	7	8	8	7	5	3
2	4	5	5	6	7	7	6	4	2
2	3	4	5	5	5	5	5	4	2
1	2	3	3	4	4	4	3	2	1
1	1	2	2	2	2	2	2	1	1

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6

1	2	5	18	54	166	56	21	9	3
1	3	7	18	39	69	42	22	11	5
2	3	7	13	24	33	26	17	10	5
2	4	6	9	14	18	16	12	8	4
2	4	5	7	10	11	11	9	6	3
2	4	5	6	7	8	8	7	5	3
2	4	5	5	6	7	7	6	4	2
2	3	4	5	5	5	5	5	4	2
1	2	3	3	4	4	4	3	2	1
1	1	2	2	2	2	2	2	1	1