Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 14°C. We apply continuously 100°C heat to the field 7x7
What is the temperature (rounded to whole numbers) in the field 0x8 after 139 iterations according to the Gauss-Seidel iteration

Field in the beginning

14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14

Field after 4 iterations (rounded after 4th iteration)

2	3	4	4	5	5	5	4	3	2
3	6	7	8	8	8	8	7	6	3
4	7	9	10	10	11	10	9	7	4
4	8	10	11	12	12	12	11	8	5
5	8	10	12	12	13	14	15	12	7
5	8	11	12	13	15	22	30	23	12
5	8	10	12	14	22	42	68	43	20
4	7	9	11	15	30	68	166	69	27
3	6	7	8	12	23	43	69	44	20
2	3	4	5	7	12	20	27	20	10

Temperature in field 0x8 after 139 iterations:

14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14

2	3	4	4	5	5	5	4	3	2
3	6	7	8	8	8	8	7	6	3
4	7	9	10	10	11	10	9	7	4
4	8	10	11	12	12	12	11	8	5
5	8	10	12	12	13	14	15	12	7
5	8	11	12	13	15	22	30	23	12
5	8	10	12	14	22	42	68	43	20
4	7	9	11	15	30	68	166	69	27
3	6	7	8	12	23	43	69	44	20
2	3	4	5	7	12	20	27	20	10

14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14

2	3	4	4	5	5	5	4	3	2
3	6	7	8	8	8	8	7	6	3
4	7	9	10	10	11	10	9	7	4
4	8	10	11	12	12	12	11	8	5
5	8	10	12	12	13	14	15	12	7
5	8	11	12	13	15	22	30	23	12
5	8	10	12	14	22	42	68	43	20
4	7	9	11	15	30	68	166	69	27
3	6	7	8	12	23	43	69	44	20
2	3	4	5	7	12	20	27	20	10

14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14

2	3	4	4	5	5	5	4	3	2
3	6	7	8	8	8	8	7	6	3
4	7	9	10	10	11	10	9	7	4
4	8	10	11	12	12	12	11	8	5
5	8	10	12	12	13	14	15	12	7
5	8	11	12	13	15	22	30	23	12
5	8	10	12	14	22	42	68	43	20
4	7	9	11	15	30	68	166	69	27
3	6	7	8	12	23	43	69	44	20
2	3	4	5	7	12	20	27	20	10