Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 40°C. We apply continuously 101°C heat to the field 3x4
What is the temperature (rounded to whole numbers) in the field 5x9 after 71 iterations according to the Gauss-Seidel iteration

Field in the beginning

40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40

Field after 4 iterations (rounded after 4th iteration)

6	9	12	13	14	14	14	12	9	5
9	16	21	26	27	26	25	22	16	8
12	22	35	46	44	39	34	29	21	11
14	32	58	89	69	53	42	34	24	13
17	41	87	191	99	64	48	38	27	14
17	38	66	97	77	59	48	38	27	14
16	32	48	61	58	51	44	37	26	13
13	25	35	42	43	41	37	32	23	11
10	18	24	28	30	29	27	23	16	8
5	9	12	14	15	15	14	12	8	4

Temperature in field 5x9 after 71 iterations:

40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40

6	9	12	13	14	14	14	12	9	5
9	16	21	26	27	26	25	22	16	8
12	22	35	46	44	39	34	29	21	11
14	32	58	89	69	53	42	34	24	13
17	41	87	191	99	64	48	38	27	14
17	38	66	97	77	59	48	38	27	14
16	32	48	61	58	51	44	37	26	13
13	25	35	42	43	41	37	32	23	11
10	18	24	28	30	29	27	23	16	8
5	9	12	14	15	15	14	12	8	4

40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40

6	9	12	13	14	14	14	12	9	5
9	16	21	26	27	26	25	22	16	8
12	22	35	46	44	39	34	29	21	11
14	32	58	89	69	53	42	34	24	13
17	41	87	191	99	64	48	38	27	14
17	38	66	97	77	59	48	38	27	14
16	32	48	61	58	51	44	37	26	13
13	25	35	42	43	41	37	32	23	11
10	18	24	28	30	29	27	23	16	8
5	9	12	14	15	15	14	12	8	4

40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40
40	40	40	40	40	40	40	40	40	40

6	9	12	13	14	14	14	12	9	5
9	16	21	26	27	26	25	22	16	8
12	22	35	46	44	39	34	29	21	11
14	32	58	89	69	53	42	34	24	13
17	41	87	191	99	64	48	38	27	14
17	38	66	97	77	59	48	38	27	14
16	32	48	61	58	51	44	37	26	13
13	25	35	42	43	41	37	32	23	11
10	18	24	28	30	29	27	23	16	8
5	9	12	14	15	15	14	12	8	4