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 155°C heat to the field 6x0
What is the temperature (rounded to whole numbers) in the field 2x7 after 74 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	12	17	32	78	220	80	33	13
9	15	20	26	40	68	104	69	39	17
11	19	24	30	39	53	64	53	36	17
12	21	27	32	38	44	48	43	31	16
13	22	28	33	37	40	41	38	28	15
13	23	29	33	36	38	38	35	26	14
13	22	28	32	35	36	36	32	24	13
11	20	25	29	31	32	31	28	21	11
9	15	19	22	23	24	23	20	15	7
4	8	10	11	12	13	12	10	7	4

Temperature in field 2x7 after 74 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	12	17	32	78	220	80	33	13
9	15	20	26	40	68	104	69	39	17
11	19	24	30	39	53	64	53	36	17
12	21	27	32	38	44	48	43	31	16
13	22	28	33	37	40	41	38	28	15
13	23	29	33	36	38	38	35	26	14
13	22	28	32	35	36	36	32	24	13
11	20	25	29	31	32	31	28	21	11
9	15	19	22	23	24	23	20	15	7
4	8	10	11	12	13	12	10	7	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	12	17	32	78	220	80	33	13
9	15	20	26	40	68	104	69	39	17
11	19	24	30	39	53	64	53	36	17
12	21	27	32	38	44	48	43	31	16
13	22	28	33	37	40	41	38	28	15
13	23	29	33	36	38	38	35	26	14
13	22	28	32	35	36	36	32	24	13
11	20	25	29	31	32	31	28	21	11
9	15	19	22	23	24	23	20	15	7
4	8	10	11	12	13	12	10	7	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	12	17	32	78	220	80	33	13
9	15	20	26	40	68	104	69	39	17
11	19	24	30	39	53	64	53	36	17
12	21	27	32	38	44	48	43	31	16
13	22	28	33	37	40	41	38	28	15
13	23	29	33	36	38	38	35	26	14
13	22	28	32	35	36	36	32	24	13
11	20	25	29	31	32	31	28	21	11
9	15	19	22	23	24	23	20	15	7
4	8	10	11	12	13	12	10	7	4