Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 19°C. We apply continuously 174°C heat to the field 4x7
What is the temperature (rounded to whole numbers) in the field 2x5 after 39 iterations according to the Gauss-Seidel iteration

Field in the beginning

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

Field after 4 iterations (rounded after 4th iteration)

3	4	5	6	6	6	6	6	4	2
4	8	9	11	11	11	11	10	7	4
5	9	12	13	14	14	14	13	10	5
6	11	13	15	17	17	17	15	11	6
6	11	14	19	24	24	21	18	13	7
6	11	19	33	49	42	32	23	15	8
6	14	31	67	115	79	49	30	18	9
6	17	44	112	287	124	62	34	19	9
5	14	34	71	119	80	48	28	16	7
3	8	18	33	46	37	25	15	9	4

Temperature in field 2x5 after 39 iterations:

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	4	5	6	6	6	6	6	4	2
4	8	9	11	11	11	11	10	7	4
5	9	12	13	14	14	14	13	10	5
6	11	13	15	17	17	17	15	11	6
6	11	14	19	24	24	21	18	13	7
6	11	19	33	49	42	32	23	15	8
6	14	31	67	115	79	49	30	18	9
6	17	44	112	287	124	62	34	19	9
5	14	34	71	119	80	48	28	16	7
3	8	18	33	46	37	25	15	9	4

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	4	5	6	6	6	6	6	4	2
4	8	9	11	11	11	11	10	7	4
5	9	12	13	14	14	14	13	10	5
6	11	13	15	17	17	17	15	11	6
6	11	14	19	24	24	21	18	13	7
6	11	19	33	49	42	32	23	15	8
6	14	31	67	115	79	49	30	18	9
6	17	44	112	287	124	62	34	19	9
5	14	34	71	119	80	48	28	16	7
3	8	18	33	46	37	25	15	9	4

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

3	4	5	6	6	6	6	6	4	2
4	8	9	11	11	11	11	10	7	4
5	9	12	13	14	14	14	13	10	5
6	11	13	15	17	17	17	15	11	6
6	11	14	19	24	24	21	18	13	7
6	11	19	33	49	42	32	23	15	8
6	14	31	67	115	79	49	30	18	9
6	17	44	112	287	124	62	34	19	9
5	14	34	71	119	80	48	28	16	7
3	8	18	33	46	37	25	15	9	4