Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 34°C. We apply continuously 69°C heat to the field 5x8
What is the temperature (rounded to whole numbers) in the field 5x2 after 146 iterations according to the Gauss-Seidel iteration

Field in the beginning

34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34

Field after 4 iterations (rounded after 4th iteration)

5	8	10	11	11	12	11	10	8	4
8	14	17	19	20	20	20	18	13	7
10	17	21	24	25	26	25	23	17	9
11	19	24	27	28	29	29	26	19	10
11	20	25	28	30	31	31	28	21	11
12	20	26	29	32	35	34	30	22	12
11	20	25	30	37	44	40	33	23	12
10	18	24	32	47	67	52	37	24	11
8	14	20	32	59	127	62	35	20	9
4	7	11	18	31	48	33	20	11	5

Temperature in field 5x2 after 146 iterations:

34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34

5	8	10	11	11	12	11	10	8	4
8	14	17	19	20	20	20	18	13	7
10	17	21	24	25	26	25	23	17	9
11	19	24	27	28	29	29	26	19	10
11	20	25	28	30	31	31	28	21	11
12	20	26	29	32	35	34	30	22	12
11	20	25	30	37	44	40	33	23	12
10	18	24	32	47	67	52	37	24	11
8	14	20	32	59	127	62	35	20	9
4	7	11	18	31	48	33	20	11	5

34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34

5	8	10	11	11	12	11	10	8	4
8	14	17	19	20	20	20	18	13	7
10	17	21	24	25	26	25	23	17	9
11	19	24	27	28	29	29	26	19	10
11	20	25	28	30	31	31	28	21	11
12	20	26	29	32	35	34	30	22	12
11	20	25	30	37	44	40	33	23	12
10	18	24	32	47	67	52	37	24	11
8	14	20	32	59	127	62	35	20	9
4	7	11	18	31	48	33	20	11	5

34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34

5	8	10	11	11	12	11	10	8	4
8	14	17	19	20	20	20	18	13	7
10	17	21	24	25	26	25	23	17	9
11	19	24	27	28	29	29	26	19	10
11	20	25	28	30	31	31	28	21	11
12	20	26	29	32	35	34	30	22	12
11	20	25	30	37	44	40	33	23	12
10	18	24	32	47	67	52	37	24	11
8	14	20	32	59	127	62	35	20	9
4	7	11	18	31	48	33	20	11	5