Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 13°C. We apply continuously 157°C heat to the field 3x4
What is the temperature (rounded to whole numbers) in the field 1x8 after 48 iterations according to the Gauss-Seidel iteration

Field in the beginning

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

Field after 4 iterations (rounded after 4th iteration)

2	3	4	5	5	5	5	4	3	2
3	5	9	13	13	12	10	8	6	3
4	10	23	37	32	23	16	12	8	4
7	22	55	99	66	40	24	16	10	5
10	36	98	256	109	54	30	19	12	6
10	30	65	109	75	46	29	19	12	6
8	20	38	53	46	34	24	17	11	5
6	13	22	29	28	23	18	14	9	5
4	8	13	16	16	15	12	9	6	3
2	4	6	7	7	7	6	5	3	2

Temperature in field 1x8 after 48 iterations:

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

2	3	4	5	5	5	5	4	3	2
3	5	9	13	13	12	10	8	6	3
4	10	23	37	32	23	16	12	8	4
7	22	55	99	66	40	24	16	10	5
10	36	98	256	109	54	30	19	12	6
10	30	65	109	75	46	29	19	12	6
8	20	38	53	46	34	24	17	11	5
6	13	22	29	28	23	18	14	9	5
4	8	13	16	16	15	12	9	6	3
2	4	6	7	7	7	6	5	3	2

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

2	3	4	5	5	5	5	4	3	2
3	5	9	13	13	12	10	8	6	3
4	10	23	37	32	23	16	12	8	4
7	22	55	99	66	40	24	16	10	5
10	36	98	256	109	54	30	19	12	6
10	30	65	109	75	46	29	19	12	6
8	20	38	53	46	34	24	17	11	5
6	13	22	29	28	23	18	14	9	5
4	8	13	16	16	15	12	9	6	3
2	4	6	7	7	7	6	5	3	2

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

2	3	4	5	5	5	5	4	3	2
3	5	9	13	13	12	10	8	6	3
4	10	23	37	32	23	16	12	8	4
7	22	55	99	66	40	24	16	10	5
10	36	98	256	109	54	30	19	12	6
10	30	65	109	75	46	29	19	12	6
8	20	38	53	46	34	24	17	11	5
6	13	22	29	28	23	18	14	9	5
4	8	13	16	16	15	12	9	6	3
2	4	6	7	7	7	6	5	3	2