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 111°C heat to the field 1x2
What is the temperature (rounded to whole numbers) in the field 3x8 after 75 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)

11	22	19	13	10	8	6	5	4	2
32	67	46	29	19	14	12	10	7	4
60	179	79	41	26	19	15	12	9	5
38	76	55	37	26	20	17	14	10	5
21	38	36	29	24	20	17	15	11	6
13	22	24	23	21	19	17	15	11	6
9	15	18	19	18	18	16	14	11	5
6	11	14	15	15	15	14	13	9	5
4	8	10	11	11	11	11	9	7	3
2	4	5	5	6	6	6	5	3	2

Temperature in field 3x8 after 75 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

11	22	19	13	10	8	6	5	4	2
32	67	46	29	19	14	12	10	7	4
60	179	79	41	26	19	15	12	9	5
38	76	55	37	26	20	17	14	10	5
21	38	36	29	24	20	17	15	11	6
13	22	24	23	21	19	17	15	11	6
9	15	18	19	18	18	16	14	11	5
6	11	14	15	15	15	14	13	9	5
4	8	10	11	11	11	11	9	7	3
2	4	5	5	6	6	6	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

11	22	19	13	10	8	6	5	4	2
32	67	46	29	19	14	12	10	7	4
60	179	79	41	26	19	15	12	9	5
38	76	55	37	26	20	17	14	10	5
21	38	36	29	24	20	17	15	11	6
13	22	24	23	21	19	17	15	11	6
9	15	18	19	18	18	16	14	11	5
6	11	14	15	15	15	14	13	9	5
4	8	10	11	11	11	11	9	7	3
2	4	5	5	6	6	6	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

11	22	19	13	10	8	6	5	4	2
32	67	46	29	19	14	12	10	7	4
60	179	79	41	26	19	15	12	9	5
38	76	55	37	26	20	17	14	10	5
21	38	36	29	24	20	17	15	11	6
13	22	24	23	21	19	17	15	11	6
9	15	18	19	18	18	16	14	11	5
6	11	14	15	15	15	14	13	9	5
4	8	10	11	11	11	11	9	7	3
2	4	5	5	6	6	6	5	3	2