Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 23°C. We apply continuously 151°C heat to the field 3x8
What is the temperature (rounded to whole numbers) in the field 1x1 after 53 iterations according to the Gauss-Seidel iteration

Field in the beginning

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

Field after 4 iterations (rounded after 4th iteration)

3	5	7	7	8	8	8	7	5	3
5	9	11	13	13	14	13	12	9	5
7	11	14	16	17	17	17	15	12	6
7	13	16	18	19	20	19	17	13	7
8	13	17	20	21	22	21	19	14	7
8	14	20	26	27	25	23	20	15	8
8	17	32	47	42	34	27	22	15	8
9	26	59	102	71	46	31	22	14	7
11	36	94	245	104	52	30	19	12	5
7	22	50	87	55	31	18	11	6	3

Temperature in field 1x1 after 53 iterations:

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

3	5	7	7	8	8	8	7	5	3
5	9	11	13	13	14	13	12	9	5
7	11	14	16	17	17	17	15	12	6
7	13	16	18	19	20	19	17	13	7
8	13	17	20	21	22	21	19	14	7
8	14	20	26	27	25	23	20	15	8
8	17	32	47	42	34	27	22	15	8
9	26	59	102	71	46	31	22	14	7
11	36	94	245	104	52	30	19	12	5
7	22	50	87	55	31	18	11	6	3

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

3	5	7	7	8	8	8	7	5	3
5	9	11	13	13	14	13	12	9	5
7	11	14	16	17	17	17	15	12	6
7	13	16	18	19	20	19	17	13	7
8	13	17	20	21	22	21	19	14	7
8	14	20	26	27	25	23	20	15	8
8	17	32	47	42	34	27	22	15	8
9	26	59	102	71	46	31	22	14	7
11	36	94	245	104	52	30	19	12	5
7	22	50	87	55	31	18	11	6	3

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

3	5	7	7	8	8	8	7	5	3
5	9	11	13	13	14	13	12	9	5
7	11	14	16	17	17	17	15	12	6
7	13	16	18	19	20	19	17	13	7
8	13	17	20	21	22	21	19	14	7
8	14	20	26	27	25	23	20	15	8
8	17	32	47	42	34	27	22	15	8
9	26	59	102	71	46	31	22	14	7
11	36	94	245	104	52	30	19	12	5
7	22	50	87	55	31	18	11	6	3