Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 35°C. We apply continuously 166°C heat to the field 1x5
What is the temperature (rounded to whole numbers) in the field 8x3 after 58 iterations according to the Gauss-Seidel iteration

Field in the beginning

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

Field after 4 iterations (rounded after 4th iteration)

5	8	10	11	12	12	12	11	8	4
8	15	18	20	21	21	20	18	14	7
13	24	28	29	28	28	27	24	18	9
25	49	48	41	36	33	31	27	20	11
54	112	84	59	45	38	34	29	22	11
94	276	129	74	52	42	36	31	23	12
60	120	91	65	49	41	36	30	22	11
34	60	58	49	41	36	32	27	19	10
18	31	34	32	29	26	24	20	14	7
8	14	16	16	15	14	12	10	7	3

Temperature in field 8x3 after 58 iterations:

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

5	8	10	11	12	12	12	11	8	4
8	15	18	20	21	21	20	18	14	7
13	24	28	29	28	28	27	24	18	9
25	49	48	41	36	33	31	27	20	11
54	112	84	59	45	38	34	29	22	11
94	276	129	74	52	42	36	31	23	12
60	120	91	65	49	41	36	30	22	11
34	60	58	49	41	36	32	27	19	10
18	31	34	32	29	26	24	20	14	7
8	14	16	16	15	14	12	10	7	3

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

5	8	10	11	12	12	12	11	8	4
8	15	18	20	21	21	20	18	14	7
13	24	28	29	28	28	27	24	18	9
25	49	48	41	36	33	31	27	20	11
54	112	84	59	45	38	34	29	22	11
94	276	129	74	52	42	36	31	23	12
60	120	91	65	49	41	36	30	22	11
34	60	58	49	41	36	32	27	19	10
18	31	34	32	29	26	24	20	14	7
8	14	16	16	15	14	12	10	7	3

35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35
35	35	35	35	35	35	35	35	35	35

5	8	10	11	12	12	12	11	8	4
8	15	18	20	21	21	20	18	14	7
13	24	28	29	28	28	27	24	18	9
25	49	48	41	36	33	31	27	20	11
54	112	84	59	45	38	34	29	22	11
94	276	129	74	52	42	36	31	23	12
60	120	91	65	49	41	36	30	22	11
34	60	58	49	41	36	32	27	19	10
18	31	34	32	29	26	24	20	14	7
8	14	16	16	15	14	12	10	7	3