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 120°C heat to the field 4x3
What is the temperature (rounded to whole numbers) in the field 0x3 after 124 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	12	15	15	13	11	8	4
7	12	18	29	40	35	28	21	14	7
9	17	31	57	91	66	45	31	20	10
10	22	43	92	214	101	58	38	24	12
11	23	40	68	102	77	54	38	25	12
11	21	33	48	61	55	45	35	24	12
11	20	28	36	42	42	37	31	22	11
9	17	23	28	31	32	30	26	18	9
7	13	17	20	22	22	21	18	13	6
4	6	9	10	11	11	11	9	6	3

Temperature in field 0x3 after 124 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	12	15	15	13	11	8	4
7	12	18	29	40	35	28	21	14	7
9	17	31	57	91	66	45	31	20	10
10	22	43	92	214	101	58	38	24	12
11	23	40	68	102	77	54	38	25	12
11	21	33	48	61	55	45	35	24	12
11	20	28	36	42	42	37	31	22	11
9	17	23	28	31	32	30	26	18	9
7	13	17	20	22	22	21	18	13	6
4	6	9	10	11	11	11	9	6	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	12	15	15	13	11	8	4
7	12	18	29	40	35	28	21	14	7
9	17	31	57	91	66	45	31	20	10
10	22	43	92	214	101	58	38	24	12
11	23	40	68	102	77	54	38	25	12
11	21	33	48	61	55	45	35	24	12
11	20	28	36	42	42	37	31	22	11
9	17	23	28	31	32	30	26	18	9
7	13	17	20	22	22	21	18	13	6
4	6	9	10	11	11	11	9	6	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	12	15	15	13	11	8	4
7	12	18	29	40	35	28	21	14	7
9	17	31	57	91	66	45	31	20	10
10	22	43	92	214	101	58	38	24	12
11	23	40	68	102	77	54	38	25	12
11	21	33	48	61	55	45	35	24	12
11	20	28	36	42	42	37	31	22	11
9	17	23	28	31	32	30	26	18	9
7	13	17	20	22	22	21	18	13	6
4	6	9	10	11	11	11	9	6	3