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 111°C heat to the field 1x2
What is the temperature (rounded to whole numbers) in the field 5x7 after 136 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)

13	24	22	17	13	11	10	8	6	3
34	71	51	34	25	20	17	15	11	6
63	184	85	48	33	26	23	19	14	7
41	81	62	45	35	29	25	22	16	8
24	43	43	38	33	29	26	23	17	9
16	28	32	32	30	28	26	23	17	9
12	21	25	27	27	27	26	22	17	9
9	16	20	23	23	23	23	20	14	7
7	11	15	16	17	17	17	14	10	5
3	6	8	8	9	9	9	7	5	3

Temperature in field 5x7 after 136 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

13	24	22	17	13	11	10	8	6	3
34	71	51	34	25	20	17	15	11	6
63	184	85	48	33	26	23	19	14	7
41	81	62	45	35	29	25	22	16	8
24	43	43	38	33	29	26	23	17	9
16	28	32	32	30	28	26	23	17	9
12	21	25	27	27	27	26	22	17	9
9	16	20	23	23	23	23	20	14	7
7	11	15	16	17	17	17	14	10	5
3	6	8	8	9	9	9	7	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

13	24	22	17	13	11	10	8	6	3
34	71	51	34	25	20	17	15	11	6
63	184	85	48	33	26	23	19	14	7
41	81	62	45	35	29	25	22	16	8
24	43	43	38	33	29	26	23	17	9
16	28	32	32	30	28	26	23	17	9
12	21	25	27	27	27	26	22	17	9
9	16	20	23	23	23	23	20	14	7
7	11	15	16	17	17	17	14	10	5
3	6	8	8	9	9	9	7	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

13	24	22	17	13	11	10	8	6	3
34	71	51	34	25	20	17	15	11	6
63	184	85	48	33	26	23	19	14	7
41	81	62	45	35	29	25	22	16	8
24	43	43	38	33	29	26	23	17	9
16	28	32	32	30	28	26	23	17	9
12	21	25	27	27	27	26	22	17	9
9	16	20	23	23	23	23	20	14	7
7	11	15	16	17	17	17	14	10	5
3	6	8	8	9	9	9	7	5	3