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 152°C heat to the field 3x4
What is the temperature (rounded to whole numbers) in the field 5x5 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	13	13	13	13	12	9	5
9	15	21	27	28	26	24	21	15	8
11	22	38	54	50	41	35	28	20	10
15	36	71	116	85	60	45	35	24	12
19	49	114	269	129	76	52	39	27	14
18	44	82	127	96	69	52	39	27	14
16	35	56	73	67	56	46	37	26	13
13	26	38	47	47	43	38	31	22	11
10	18	25	30	31	30	27	23	16	8
5	9	12	15	15	15	14	11	8	4

Temperature in field 5x5 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	13	13	13	13	12	9	5
9	15	21	27	28	26	24	21	15	8
11	22	38	54	50	41	35	28	20	10
15	36	71	116	85	60	45	35	24	12
19	49	114	269	129	76	52	39	27	14
18	44	82	127	96	69	52	39	27	14
16	35	56	73	67	56	46	37	26	13
13	26	38	47	47	43	38	31	22	11
10	18	25	30	31	30	27	23	16	8
5	9	12	15	15	15	14	11	8	4

38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	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	13	13	13	13	12	9	5
9	15	21	27	28	26	24	21	15	8
11	22	38	54	50	41	35	28	20	10
15	36	71	116	85	60	45	35	24	12
19	49	114	269	129	76	52	39	27	14
18	44	82	127	96	69	52	39	27	14
16	35	56	73	67	56	46	37	26	13
13	26	38	47	47	43	38	31	22	11
10	18	25	30	31	30	27	23	16	8
5	9	12	15	15	15	14	11	8	4

38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	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	13	13	13	13	12	9	5
9	15	21	27	28	26	24	21	15	8
11	22	38	54	50	41	35	28	20	10
15	36	71	116	85	60	45	35	24	12
19	49	114	269	129	76	52	39	27	14
18	44	82	127	96	69	52	39	27	14
16	35	56	73	67	56	46	37	26	13
13	26	38	47	47	43	38	31	22	11
10	18	25	30	31	30	27	23	16	8
5	9	12	15	15	15	14	11	8	4