Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 23°C. We apply continuously 150°C heat to the field 0x4
What is the temperature (rounded to whole numbers) in the field 8x4 after 131 iterations according to the Gauss-Seidel iteration

Field in the beginning

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

Field after 4 iterations (rounded after 4th iteration)

4	6	7	8	8	8	8	7	5	3
10	14	15	15	14	14	14	12	9	5
26	29	25	22	20	19	18	16	12	6
71	56	40	30	24	22	20	18	13	7
208	93	52	35	28	24	22	19	14	7
74	61	44	34	28	25	23	20	15	8
31	37	33	29	26	24	22	19	14	7
16	23	24	23	22	21	20	17	12	6
9	14	16	16	16	16	15	12	9	4
4	7	8	8	8	8	8	6	4	2

Temperature in field 8x4 after 131 iterations:

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

4	6	7	8	8	8	8	7	5	3
10	14	15	15	14	14	14	12	9	5
26	29	25	22	20	19	18	16	12	6
71	56	40	30	24	22	20	18	13	7
208	93	52	35	28	24	22	19	14	7
74	61	44	34	28	25	23	20	15	8
31	37	33	29	26	24	22	19	14	7
16	23	24	23	22	21	20	17	12	6
9	14	16	16	16	16	15	12	9	4
4	7	8	8	8	8	8	6	4	2

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

4	6	7	8	8	8	8	7	5	3
10	14	15	15	14	14	14	12	9	5
26	29	25	22	20	19	18	16	12	6
71	56	40	30	24	22	20	18	13	7
208	93	52	35	28	24	22	19	14	7
74	61	44	34	28	25	23	20	15	8
31	37	33	29	26	24	22	19	14	7
16	23	24	23	22	21	20	17	12	6
9	14	16	16	16	16	15	12	9	4
4	7	8	8	8	8	8	6	4	2

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

4	6	7	8	8	8	8	7	5	3
10	14	15	15	14	14	14	12	9	5
26	29	25	22	20	19	18	16	12	6
71	56	40	30	24	22	20	18	13	7
208	93	52	35	28	24	22	19	14	7
74	61	44	34	28	25	23	20	15	8
31	37	33	29	26	24	22	19	14	7
16	23	24	23	22	21	20	17	12	6
9	14	16	16	16	16	15	12	9	4
4	7	8	8	8	8	8	6	4	2