Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 16°C. We apply continuously 100°C heat to the field 0x7
What is the temperature (rounded to whole numbers) in the field 7x1 after 43 iterations according to the Gauss-Seidel iteration

Field in the beginning

16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16

Field after 4 iterations (rounded after 4th iteration)

2	4	5	5	5	5	5	5	4	2
4	6	8	9	9	9	9	8	6	3
5	8	10	11	12	12	12	11	8	4
5	9	12	13	14	14	13	12	9	5
8	13	14	15	15	15	14	13	10	5
18	21	19	18	16	16	15	13	10	5
48	38	27	21	18	16	15	13	10	5
138	61	34	22	18	15	14	12	9	4
47	37	25	18	14	12	11	9	6	3
16	16	13	10	8	6	6	5	3	2

Temperature in field 7x1 after 43 iterations:

16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16

2	4	5	5	5	5	5	5	4	2
4	6	8	9	9	9	9	8	6	3
5	8	10	11	12	12	12	11	8	4
5	9	12	13	14	14	13	12	9	5
8	13	14	15	15	15	14	13	10	5
18	21	19	18	16	16	15	13	10	5
48	38	27	21	18	16	15	13	10	5
138	61	34	22	18	15	14	12	9	4
47	37	25	18	14	12	11	9	6	3
16	16	13	10	8	6	6	5	3	2

16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16

2	4	5	5	5	5	5	5	4	2
4	6	8	9	9	9	9	8	6	3
5	8	10	11	12	12	12	11	8	4
5	9	12	13	14	14	13	12	9	5
8	13	14	15	15	15	14	13	10	5
18	21	19	18	16	16	15	13	10	5
48	38	27	21	18	16	15	13	10	5
138	61	34	22	18	15	14	12	9	4
47	37	25	18	14	12	11	9	6	3
16	16	13	10	8	6	6	5	3	2

16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16

2	4	5	5	5	5	5	5	4	2
4	6	8	9	9	9	9	8	6	3
5	8	10	11	12	12	12	11	8	4
5	9	12	13	14	14	13	12	9	5
8	13	14	15	15	15	14	13	10	5
18	21	19	18	16	16	15	13	10	5
48	38	27	21	18	16	15	13	10	5
138	61	34	22	18	15	14	12	9	4
47	37	25	18	14	12	11	9	6	3
16	16	13	10	8	6	6	5	3	2