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 91°C heat to the field 2x6
What is the temperature (rounded to whole numbers) in the field 2x1 after 56 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	21	20	18	14	7
9	16	23	25	25	24	23	21	16	8
11	24	36	35	32	28	26	23	17	9
17	42	72	55	41	33	28	24	18	9
24	67	162	79	49	36	29	24	17	9
20	46	75	57	41	32	27	22	15	8
13	27	38	35	29	24	20	16	11	5
6	12	16	16	15	12	10	8	6	3

Temperature in field 2x1 after 56 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	21	20	18	14	7
9	16	23	25	25	24	23	21	16	8
11	24	36	35	32	28	26	23	17	9
17	42	72	55	41	33	28	24	18	9
24	67	162	79	49	36	29	24	17	9
20	46	75	57	41	32	27	22	15	8
13	27	38	35	29	24	20	16	11	5
6	12	16	16	15	12	10	8	6	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	21	20	18	14	7
9	16	23	25	25	24	23	21	16	8
11	24	36	35	32	28	26	23	17	9
17	42	72	55	41	33	28	24	18	9
24	67	162	79	49	36	29	24	17	9
20	46	75	57	41	32	27	22	15	8
13	27	38	35	29	24	20	16	11	5
6	12	16	16	15	12	10	8	6	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	21	20	18	14	7
9	16	23	25	25	24	23	21	16	8
11	24	36	35	32	28	26	23	17	9
17	42	72	55	41	33	28	24	18	9
24	67	162	79	49	36	29	24	17	9
20	46	75	57	41	32	27	22	15	8
13	27	38	35	29	24	20	16	11	5
6	12	16	16	15	12	10	8	6	3