Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 32°C. We apply continuously 81°C heat to the field 5x4
What is the temperature (rounded to whole numbers) in the field 9x3 after 58 iterations according to the Gauss-Seidel iteration

Field in the beginning

32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32

Field after 4 iterations (rounded after 4th iteration)

4	7	9	10	11	11	11	10	7	4
7	13	16	18	20	22	22	19	14	7
9	16	20	24	32	39	35	28	19	10
10	18	24	33	50	73	55	39	25	12
11	19	27	41	74	156	79	48	29	14
11	19	27	39	58	80	62	44	29	14
11	19	26	34	43	51	47	37	26	13
10	17	22	28	33	36	35	29	21	10
7	13	17	20	23	24	24	20	14	7
4	7	9	10	11	12	12	10	7	4

Temperature in field 9x3 after 58 iterations:

32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32

4	7	9	10	11	11	11	10	7	4
7	13	16	18	20	22	22	19	14	7
9	16	20	24	32	39	35	28	19	10
10	18	24	33	50	73	55	39	25	12
11	19	27	41	74	156	79	48	29	14
11	19	27	39	58	80	62	44	29	14
11	19	26	34	43	51	47	37	26	13
10	17	22	28	33	36	35	29	21	10
7	13	17	20	23	24	24	20	14	7
4	7	9	10	11	12	12	10	7	4

32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32

4	7	9	10	11	11	11	10	7	4
7	13	16	18	20	22	22	19	14	7
9	16	20	24	32	39	35	28	19	10
10	18	24	33	50	73	55	39	25	12
11	19	27	41	74	156	79	48	29	14
11	19	27	39	58	80	62	44	29	14
11	19	26	34	43	51	47	37	26	13
10	17	22	28	33	36	35	29	21	10
7	13	17	20	23	24	24	20	14	7
4	7	9	10	11	12	12	10	7	4

32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32
32	32	32	32	32	32	32	32	32	32

4	7	9	10	11	11	11	10	7	4
7	13	16	18	20	22	22	19	14	7
9	16	20	24	32	39	35	28	19	10
10	18	24	33	50	73	55	39	25	12
11	19	27	41	74	156	79	48	29	14
11	19	27	39	58	80	62	44	29	14
11	19	26	34	43	51	47	37	26	13
10	17	22	28	33	36	35	29	21	10
7	13	17	20	23	24	24	20	14	7
4	7	9	10	11	12	12	10	7	4