Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 17°C. We apply continuously 168°C heat to the field 0x1
What is the temperature (rounded to whole numbers) in the field 8x8 after 68 iterations according to the Gauss-Seidel iteration

Field in the beginning

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

Field after 4 iterations (rounded after 4th iteration)

66	45	25	15	10	7	6	5	4	2
226	93	45	25	17	13	11	9	7	4
78	60	40	27	20	16	14	12	9	5
32	35	30	24	20	17	16	13	10	5
16	22	22	21	19	18	16	14	11	6
10	15	18	18	18	17	16	14	11	6
7	12	15	16	17	16	16	14	10	5
6	10	12	14	14	15	14	12	9	5
4	7	9	10	11	11	10	9	6	3
2	4	5	5	6	6	5	5	3	2

Temperature in field 8x8 after 68 iterations:

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

66	45	25	15	10	7	6	5	4	2
226	93	45	25	17	13	11	9	7	4
78	60	40	27	20	16	14	12	9	5
32	35	30	24	20	17	16	13	10	5
16	22	22	21	19	18	16	14	11	6
10	15	18	18	18	17	16	14	11	6
7	12	15	16	17	16	16	14	10	5
6	10	12	14	14	15	14	12	9	5
4	7	9	10	11	11	10	9	6	3
2	4	5	5	6	6	5	5	3	2

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

66	45	25	15	10	7	6	5	4	2
226	93	45	25	17	13	11	9	7	4
78	60	40	27	20	16	14	12	9	5
32	35	30	24	20	17	16	13	10	5
16	22	22	21	19	18	16	14	11	6
10	15	18	18	18	17	16	14	11	6
7	12	15	16	17	16	16	14	10	5
6	10	12	14	14	15	14	12	9	5
4	7	9	10	11	11	10	9	6	3
2	4	5	5	6	6	5	5	3	2

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

66	45	25	15	10	7	6	5	4	2
226	93	45	25	17	13	11	9	7	4
78	60	40	27	20	16	14	12	9	5
32	35	30	24	20	17	16	13	10	5
16	22	22	21	19	18	16	14	11	6
10	15	18	18	18	17	16	14	11	6
7	12	15	16	17	16	16	14	10	5
6	10	12	14	14	15	14	12	9	5
4	7	9	10	11	11	10	9	6	3
2	4	5	5	6	6	5	5	3	2