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 139°C heat to the field 5x7
What is the temperature (rounded to whole numbers) in the field 5x4 after 108 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	6	6	5	4	2
2	3	4	5	8	11	11	8	6	3
2	4	5	8	19	31	25	16	10	4
2	3	7	18	46	84	54	30	15	7
2	4	10	30	83	222	91	42	19	8
1	3	8	23	52	89	58	32	16	7
1	2	5	12	24	34	27	17	9	4

Temperature in field 5x4 after 108 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	6	6	5	4	2
2	3	4	5	8	11	11	8	6	3
2	4	5	8	19	31	25	16	10	4
2	3	7	18	46	84	54	30	15	7
2	4	10	30	83	222	91	42	19	8
1	3	8	23	52	89	58	32	16	7
1	2	5	12	24	34	27	17	9	4

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	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	6	6	5	4	2
2	3	4	5	8	11	11	8	6	3
2	4	5	8	19	31	25	16	10	4
2	3	7	18	46	84	54	30	15	7
2	4	10	30	83	222	91	42	19	8
1	3	8	23	52	89	58	32	16	7
1	2	5	12	24	34	27	17	9	4

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	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	6	6	5	4	2
2	3	4	5	8	11	11	8	6	3
2	4	5	8	19	31	25	16	10	4
2	3	7	18	46	84	54	30	15	7
2	4	10	30	83	222	91	42	19	8
1	3	8	23	52	89	58	32	16	7
1	2	5	12	24	34	27	17	9	4