Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 38°C. We apply continuously 124°C heat to the field 4x8
What is the temperature (rounded to whole numbers) in the field 5x9 after 78 iterations according to the Gauss-Seidel iteration

Field in the beginning

38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38

Field after 4 iterations (rounded after 4th iteration)

5	9	11	12	13	13	13	11	9	4
9	15	19	21	22	23	22	20	15	8
11	19	24	27	28	29	28	25	19	10
12	21	27	30	32	33	32	29	22	11
13	22	28	32	34	35	35	31	23	12
13	23	29	35	40	40	38	33	25	13
13	22	31	44	56	52	45	36	25	13
11	22	37	65	100	74	53	37	25	12
9	20	41	90	214	98	54	33	20	9
5	12	24	47	78	52	31	19	11	5

Temperature in field 5x9 after 78 iterations:

38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38

5	9	11	12	13	13	13	11	9	4
9	15	19	21	22	23	22	20	15	8
11	19	24	27	28	29	28	25	19	10
12	21	27	30	32	33	32	29	22	11
13	22	28	32	34	35	35	31	23	12
13	23	29	35	40	40	38	33	25	13
13	22	31	44	56	52	45	36	25	13
11	22	37	65	100	74	53	37	25	12
9	20	41	90	214	98	54	33	20	9
5	12	24	47	78	52	31	19	11	5

38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38

5	9	11	12	13	13	13	11	9	4
9	15	19	21	22	23	22	20	15	8
11	19	24	27	28	29	28	25	19	10
12	21	27	30	32	33	32	29	22	11
13	22	28	32	34	35	35	31	23	12
13	23	29	35	40	40	38	33	25	13
13	22	31	44	56	52	45	36	25	13
11	22	37	65	100	74	53	37	25	12
9	20	41	90	214	98	54	33	20	9
5	12	24	47	78	52	31	19	11	5

38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38

5	9	11	12	13	13	13	11	9	4
9	15	19	21	22	23	22	20	15	8
11	19	24	27	28	29	28	25	19	10
12	21	27	30	32	33	32	29	22	11
13	22	28	32	34	35	35	31	23	12
13	23	29	35	40	40	38	33	25	13
13	22	31	44	56	52	45	36	25	13
11	22	37	65	100	74	53	37	25	12
9	20	41	90	214	98	54	33	20	9
5	12	24	47	78	52	31	19	11	5