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 112°C heat to the field 8x4
What is the temperature (rounded to whole numbers) in the field 3x0 after 66 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)

2	4	5	5	6	6	6	5	4	3
4	7	8	9	10	10	10	11	11	7
5	8	11	12	13	13	15	22	28	17
5	9	12	13	14	16	25	45	71	38
6	10	13	14	16	20	35	76	183	65
6	10	13	15	16	20	31	53	78	41
6	10	13	14	16	18	25	34	38	23
5	9	11	13	14	16	18	21	21	13
4	7	9	10	10	11	12	13	12	7
2	3	4	5	5	6	6	6	5	3

Temperature in field 3x0 after 66 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

2	4	5	5	6	6	6	5	4	3
4	7	8	9	10	10	10	11	11	7
5	8	11	12	13	13	15	22	28	17
5	9	12	13	14	16	25	45	71	38
6	10	13	14	16	20	35	76	183	65
6	10	13	15	16	20	31	53	78	41
6	10	13	14	16	18	25	34	38	23
5	9	11	13	14	16	18	21	21	13
4	7	9	10	10	11	12	13	12	7
2	3	4	5	5	6	6	6	5	3

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

2	4	5	5	6	6	6	5	4	3
4	7	8	9	10	10	10	11	11	7
5	8	11	12	13	13	15	22	28	17
5	9	12	13	14	16	25	45	71	38
6	10	13	14	16	20	35	76	183	65
6	10	13	15	16	20	31	53	78	41
6	10	13	14	16	18	25	34	38	23
5	9	11	13	14	16	18	21	21	13
4	7	9	10	10	11	12	13	12	7
2	3	4	5	5	6	6	6	5	3

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

2	4	5	5	6	6	6	5	4	3
4	7	8	9	10	10	10	11	11	7
5	8	11	12	13	13	15	22	28	17
5	9	12	13	14	16	25	45	71	38
6	10	13	14	16	20	35	76	183	65
6	10	13	15	16	20	31	53	78	41
6	10	13	14	16	18	25	34	38	23
5	9	11	13	14	16	18	21	21	13
4	7	9	10	10	11	12	13	12	7
2	3	4	5	5	6	6	6	5	3