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 169°C heat to the field 7x8
What is the temperature (rounded to whole numbers) in the field 7x5 after 74 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	1	2	2	2	2	2	2	1	1
1	2	3	3	3	4	3	3	2	1
2	3	4	4	4	5	4	4	3	2
2	3	4	5	5	5	5	5	3	2
2	3	4	5	5	5	5	5	4	3
2	4	5	5	5	6	8	12	10	6
2	3	4	5	5	9	22	35	27	14
2	3	4	5	7	21	54	99	61	27
1	2	3	4	10	34	96	263	102	38
1	1	2	3	7	22	51	91	53	23

Temperature in field 7x5 after 74 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	1	2	2	2	2	2	2	1	1
1	2	3	3	3	4	3	3	2	1
2	3	4	4	4	5	4	4	3	2
2	3	4	5	5	5	5	5	3	2
2	3	4	5	5	5	5	5	4	3
2	4	5	5	5	6	8	12	10	6
2	3	4	5	5	9	22	35	27	14
2	3	4	5	7	21	54	99	61	27
1	2	3	4	10	34	96	263	102	38
1	1	2	3	7	22	51	91	53	23

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	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	1	2	2	2	2	2	2	1	1
1	2	3	3	3	4	3	3	2	1
2	3	4	4	4	5	4	4	3	2
2	3	4	5	5	5	5	5	3	2
2	3	4	5	5	5	5	5	4	3
2	4	5	5	5	6	8	12	10	6
2	3	4	5	5	9	22	35	27	14
2	3	4	5	7	21	54	99	61	27
1	2	3	4	10	34	96	263	102	38
1	1	2	3	7	22	51	91	53	23

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	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	1	2	2	2	2	2	2	1	1
1	2	3	3	3	4	3	3	2	1
2	3	4	4	4	5	4	4	3	2
2	3	4	5	5	5	5	5	3	2
2	3	4	5	5	5	5	5	4	3
2	4	5	5	5	6	8	12	10	6
2	3	4	5	5	9	22	35	27	14
2	3	4	5	7	21	54	99	61	27
1	2	3	4	10	34	96	263	102	38
1	1	2	3	7	22	51	91	53	23