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 144°C heat to the field 5x6
What is the temperature (rounded to whole numbers) in the field 5x7 after 42 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	5	5	5	5	5	5	4	2
4	6	8	9	9	9	9	8	6	3
5	8	10	11	12	13	13	11	8	4
5	9	11	13	16	19	19	16	11	6
5	9	12	17	28	41	35	25	16	8
5	9	14	28	57	96	65	39	22	10
5	10	18	39	95	240	104	52	27	12
5	9	16	32	64	103	71	43	24	11
4	7	12	21	36	48	40	28	17	8
2	4	6	10	16	20	18	14	9	4

Temperature in field 5x7 after 42 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	5	5	5	5	5	5	4	2
4	6	8	9	9	9	9	8	6	3
5	8	10	11	12	13	13	11	8	4
5	9	11	13	16	19	19	16	11	6
5	9	12	17	28	41	35	25	16	8
5	9	14	28	57	96	65	39	22	10
5	10	18	39	95	240	104	52	27	12
5	9	16	32	64	103	71	43	24	11
4	7	12	21	36	48	40	28	17	8
2	4	6	10	16	20	18	14	9	4

16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	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	5	5	5	5	5	5	4	2
4	6	8	9	9	9	9	8	6	3
5	8	10	11	12	13	13	11	8	4
5	9	11	13	16	19	19	16	11	6
5	9	12	17	28	41	35	25	16	8
5	9	14	28	57	96	65	39	22	10
5	10	18	39	95	240	104	52	27	12
5	9	16	32	64	103	71	43	24	11
4	7	12	21	36	48	40	28	17	8
2	4	6	10	16	20	18	14	9	4

16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	16	16	16	16
16	16	16	16	16	16	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	5	5	5	5	5	5	4	2
4	6	8	9	9	9	9	8	6	3
5	8	10	11	12	13	13	11	8	4
5	9	11	13	16	19	19	16	11	6
5	9	12	17	28	41	35	25	16	8
5	9	14	28	57	96	65	39	22	10
5	10	18	39	95	240	104	52	27	12
5	9	16	32	64	103	71	43	24	11
4	7	12	21	36	48	40	28	17	8
2	4	6	10	16	20	18	14	9	4