Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 17°C. We apply continuously 111°C heat to the field 1x6
What is the temperature (rounded to whole numbers) in the field 4x0 after 48 iterations according to the Gauss-Seidel iteration

Field in the beginning

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

Field after 4 iterations (rounded after 4th iteration)

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	9	11	12	13	13	13	11	9	4
7	14	16	16	16	15	15	13	10	5
15	29	28	23	20	18	16	14	11	6
34	71	51	34	25	20	17	15	11	6
61	181	81	44	28	21	18	15	11	6
37	75	55	36	26	20	16	13	9	5
19	34	31	24	19	15	12	10	7	3
8	14	14	12	10	8	7	5	4	2

Temperature in field 4x0 after 48 iterations:

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	9	11	12	13	13	13	11	9	4
7	14	16	16	16	15	15	13	10	5
15	29	28	23	20	18	16	14	11	6
34	71	51	34	25	20	17	15	11	6
61	181	81	44	28	21	18	15	11	6
37	75	55	36	26	20	16	13	9	5
19	34	31	24	19	15	12	10	7	3
8	14	14	12	10	8	7	5	4	2

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	9	11	12	13	13	13	11	9	4
7	14	16	16	16	15	15	13	10	5
15	29	28	23	20	18	16	14	11	6
34	71	51	34	25	20	17	15	11	6
61	181	81	44	28	21	18	15	11	6
37	75	55	36	26	20	16	13	9	5
19	34	31	24	19	15	12	10	7	3
8	14	14	12	10	8	7	5	4	2

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	9	11	12	13	13	13	11	9	4
7	14	16	16	16	15	15	13	10	5
15	29	28	23	20	18	16	14	11	6
34	71	51	34	25	20	17	15	11	6
61	181	81	44	28	21	18	15	11	6
37	75	55	36	26	20	16	13	9	5
19	34	31	24	19	15	12	10	7	3
8	14	14	12	10	8	7	5	4	2