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 145°C heat to the field 3x7
What is the temperature (rounded to whole numbers) in the field 9x8 after 141 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	16	17	17	16	15	11	6
6	11	16	22	22	21	19	16	12	6
6	15	28	42	38	30	24	19	13	7
9	25	56	98	68	44	30	21	14	7
11	36	94	241	105	55	33	21	13	6
10	28	60	100	68	42	26	17	10	5
5	14	28	39	32	22	14	9	6	3

Temperature in field 9x8 after 141 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	16	17	17	16	15	11	6
6	11	16	22	22	21	19	16	12	6
6	15	28	42	38	30	24	19	13	7
9	25	56	98	68	44	30	21	14	7
11	36	94	241	105	55	33	21	13	6
10	28	60	100	68	42	26	17	10	5
5	14	28	39	32	22	14	9	6	3

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	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	16	17	17	16	15	11	6
6	11	16	22	22	21	19	16	12	6
6	15	28	42	38	30	24	19	13	7
9	25	56	98	68	44	30	21	14	7
11	36	94	241	105	55	33	21	13	6
10	28	60	100	68	42	26	17	10	5
5	14	28	39	32	22	14	9	6	3

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	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	16	17	17	16	15	11	6
6	11	16	22	22	21	19	16	12	6
6	15	28	42	38	30	24	19	13	7
9	25	56	98	68	44	30	21	14	7
11	36	94	241	105	55	33	21	13	6
10	28	60	100	68	42	26	17	10	5
5	14	28	39	32	22	14	9	6	3