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 196°C heat to the field 0x8
What is the temperature (rounded to whole numbers) in the field 4x3 after 107 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	15	19	21	23	23	23	20	15	8
10	17	21	23	24	25	24	22	16	9
15	22	25	26	26	26	25	22	17	9
34	38	34	30	28	26	25	22	16	9
90	70	48	35	28	25	23	20	14	7
265	111	56	34	24	20	18	15	10	5
80	56	33	20	14	11	10	8	5	3

Temperature in field 4x3 after 107 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	15	19	21	23	23	23	20	15	8
10	17	21	23	24	25	24	22	16	9
15	22	25	26	26	26	25	22	17	9
34	38	34	30	28	26	25	22	16	9
90	70	48	35	28	25	23	20	14	7
265	111	56	34	24	20	18	15	10	5
80	56	33	20	14	11	10	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	15	19	21	23	23	23	20	15	8
10	17	21	23	24	25	24	22	16	9
15	22	25	26	26	26	25	22	17	9
34	38	34	30	28	26	25	22	16	9
90	70	48	35	28	25	23	20	14	7
265	111	56	34	24	20	18	15	10	5
80	56	33	20	14	11	10	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	15	19	21	23	23	23	20	15	8
10	17	21	23	24	25	24	22	16	9
15	22	25	26	26	26	25	22	17	9
34	38	34	30	28	26	25	22	16	9
90	70	48	35	28	25	23	20	14	7
265	111	56	34	24	20	18	15	10	5
80	56	33	20	14	11	10	8	5	3