Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 16°C. We apply continuously 187°C heat to the field 1x4
What is the temperature (rounded to whole numbers) in the field 5x7 after 138 iterations according to the Gauss-Seidel iteration

Field in the beginning

16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16

Field after 4 iterations (rounded after 4th iteration)

2	4	6	6	6	6	5	5	4	2
7	14	15	13	12	11	10	9	6	3
21	41	36	27	20	16	14	11	8	4
53	112	76	46	29	21	17	13	10	5
98	297	127	63	36	24	19	15	10	5
60	121	85	54	35	25	19	15	11	6
31	56	51	39	29	22	18	15	11	5
16	28	30	26	22	18	16	13	9	5
8	15	17	16	15	13	11	9	7	3
4	7	8	8	7	7	6	5	3	2

Temperature in field 5x7 after 138 iterations:

16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16

2	4	6	6	6	6	5	5	4	2
7	14	15	13	12	11	10	9	6	3
21	41	36	27	20	16	14	11	8	4
53	112	76	46	29	21	17	13	10	5
98	297	127	63	36	24	19	15	10	5
60	121	85	54	35	25	19	15	11	6
31	56	51	39	29	22	18	15	11	5
16	28	30	26	22	18	16	13	9	5
8	15	17	16	15	13	11	9	7	3
4	7	8	8	7	7	6	5	3	2

16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16

2	4	6	6	6	6	5	5	4	2
7	14	15	13	12	11	10	9	6	3
21	41	36	27	20	16	14	11	8	4
53	112	76	46	29	21	17	13	10	5
98	297	127	63	36	24	19	15	10	5
60	121	85	54	35	25	19	15	11	6
31	56	51	39	29	22	18	15	11	5
16	28	30	26	22	18	16	13	9	5
8	15	17	16	15	13	11	9	7	3
4	7	8	8	7	7	6	5	3	2

16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16

2	4	6	6	6	6	5	5	4	2
7	14	15	13	12	11	10	9	6	3
21	41	36	27	20	16	14	11	8	4
53	112	76	46	29	21	17	13	10	5
98	297	127	63	36	24	19	15	10	5
60	121	85	54	35	25	19	15	11	6
31	56	51	39	29	22	18	15	11	5
16	28	30	26	22	18	16	13	9	5
8	15	17	16	15	13	11	9	7	3
4	7	8	8	7	7	6	5	3	2