Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 31°C. We apply continuously 137°C heat to the field 3x5
What is the temperature (rounded to whole numbers) in the field 6x8 after 131 iterations according to the Gauss-Seidel iteration

Field in the beginning

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

Field after 4 iterations (rounded after 4th iteration)

4	7	9	10	10	11	10	9	7	4
7	12	15	18	19	19	18	16	12	6
9	15	22	27	28	27	25	22	16	8
10	20	35	49	45	38	32	26	19	10
12	31	63	103	76	53	40	30	21	11
16	43	101	241	114	66	45	33	23	11
15	37	71	112	83	58	43	32	22	11
13	27	45	60	55	45	36	28	19	9
9	18	27	34	34	30	25	20	14	7
4	9	13	16	16	15	13	10	7	3

Temperature in field 6x8 after 131 iterations:

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	9	10	10	11	10	9	7	4
7	12	15	18	19	19	18	16	12	6
9	15	22	27	28	27	25	22	16	8
10	20	35	49	45	38	32	26	19	10
12	31	63	103	76	53	40	30	21	11
16	43	101	241	114	66	45	33	23	11
15	37	71	112	83	58	43	32	22	11
13	27	45	60	55	45	36	28	19	9
9	18	27	34	34	30	25	20	14	7
4	9	13	16	16	15	13	10	7	3

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	9	10	10	11	10	9	7	4
7	12	15	18	19	19	18	16	12	6
9	15	22	27	28	27	25	22	16	8
10	20	35	49	45	38	32	26	19	10
12	31	63	103	76	53	40	30	21	11
16	43	101	241	114	66	45	33	23	11
15	37	71	112	83	58	43	32	22	11
13	27	45	60	55	45	36	28	19	9
9	18	27	34	34	30	25	20	14	7
4	9	13	16	16	15	13	10	7	3

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	9	10	10	11	10	9	7	4
7	12	15	18	19	19	18	16	12	6
9	15	22	27	28	27	25	22	16	8
10	20	35	49	45	38	32	26	19	10
12	31	63	103	76	53	40	30	21	11
16	43	101	241	114	66	45	33	23	11
15	37	71	112	83	58	43	32	22	11
13	27	45	60	55	45	36	28	19	9
9	18	27	34	34	30	25	20	14	7
4	9	13	16	16	15	13	10	7	3