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 116°C heat to the field 9x8
What is the temperature (rounded to whole numbers) in the field 7x6 after 142 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	34	31	23	13
13	23	29	33	35	36	35	31	26	16
13	22	28	32	34	35	34	34	33	27
11	20	25	29	31	31	33	38	49	59
9	15	19	22	23	24	28	39	71	160
4	8	10	11	12	13	16	22	35	49

Temperature in field 7x6 after 142 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	34	31	23	13
13	23	29	33	35	36	35	31	26	16
13	22	28	32	34	35	34	34	33	27
11	20	25	29	31	31	33	38	49	59
9	15	19	22	23	24	28	39	71	160
4	8	10	11	12	13	16	22	35	49

38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	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	34	31	23	13
13	23	29	33	35	36	35	31	26	16
13	22	28	32	34	35	34	34	33	27
11	20	25	29	31	31	33	38	49	59
9	15	19	22	23	24	28	39	71	160
4	8	10	11	12	13	16	22	35	49

38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	38	38	38	38
38	38	38	38	38	38	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	34	31	23	13
13	23	29	33	35	36	35	31	26	16
13	22	28	32	34	35	34	34	33	27
11	20	25	29	31	31	33	38	49	59
9	15	19	22	23	24	28	39	71	160
4	8	10	11	12	13	16	22	35	49