Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 27°C. We apply continuously 177°C heat to the field 0x7
What is the temperature (rounded to whole numbers) in the field 7x2 after 53 iterations according to the Gauss-Seidel iteration

Field in the beginning

27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27

Field after 4 iterations (rounded after 4th iteration)

4	6	8	9	9	9	9	8	6	3
6	11	13	15	16	16	16	14	11	6
8	13	17	19	20	20	20	18	14	7
9	16	20	22	23	23	23	20	15	8
14	21	24	25	25	25	24	22	16	9
32	37	33	30	28	27	25	23	17	9
84	67	48	36	30	28	26	22	17	9
244	108	59	39	30	26	23	20	14	7
84	65	44	31	24	20	18	15	11	5
28	29	22	17	13	11	9	8	5	3

Temperature in field 7x2 after 53 iterations:

27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27

4	6	8	9	9	9	9	8	6	3
6	11	13	15	16	16	16	14	11	6
8	13	17	19	20	20	20	18	14	7
9	16	20	22	23	23	23	20	15	8
14	21	24	25	25	25	24	22	16	9
32	37	33	30	28	27	25	23	17	9
84	67	48	36	30	28	26	22	17	9
244	108	59	39	30	26	23	20	14	7
84	65	44	31	24	20	18	15	11	5
28	29	22	17	13	11	9	8	5	3

27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27

4	6	8	9	9	9	9	8	6	3
6	11	13	15	16	16	16	14	11	6
8	13	17	19	20	20	20	18	14	7
9	16	20	22	23	23	23	20	15	8
14	21	24	25	25	25	24	22	16	9
32	37	33	30	28	27	25	23	17	9
84	67	48	36	30	28	26	22	17	9
244	108	59	39	30	26	23	20	14	7
84	65	44	31	24	20	18	15	11	5
28	29	22	17	13	11	9	8	5	3

27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27
27	27	27	27	27	27	27	27	27	27

4	6	8	9	9	9	9	8	6	3
6	11	13	15	16	16	16	14	11	6
8	13	17	19	20	20	20	18	14	7
9	16	20	22	23	23	23	20	15	8
14	21	24	25	25	25	24	22	16	9
32	37	33	30	28	27	25	23	17	9
84	67	48	36	30	28	26	22	17	9
244	108	59	39	30	26	23	20	14	7
84	65	44	31	24	20	18	15	11	5
28	29	22	17	13	11	9	8	5	3