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 73°C heat to the field 3x8
What is the temperature (rounded to whole numbers) in the field 6x0 after 74 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	29	31	31	31	27	21	11
12	20	27	32	34	34	32	29	21	11
11	21	32	42	41	37	34	29	21	11
11	25	44	67	53	41	34	27	19	10
11	26	57	132	64	40	28	21	14	7
6	15	30	49	34	23	16	11	7	4

Temperature in field 6x0 after 74 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	29	31	31	31	27	21	11
12	20	27	32	34	34	32	29	21	11
11	21	32	42	41	37	34	29	21	11
11	25	44	67	53	41	34	27	19	10
11	26	57	132	64	40	28	21	14	7
6	15	30	49	34	23	16	11	7	4

34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	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	29	31	31	31	27	21	11
12	20	27	32	34	34	32	29	21	11
11	21	32	42	41	37	34	29	21	11
11	25	44	67	53	41	34	27	19	10
11	26	57	132	64	40	28	21	14	7
6	15	30	49	34	23	16	11	7	4

34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	34	34	34	34
34	34	34	34	34	34	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	29	31	31	31	27	21	11
12	20	27	32	34	34	32	29	21	11
11	21	32	42	41	37	34	29	21	11
11	25	44	67	53	41	34	27	19	10
11	26	57	132	64	40	28	21	14	7
6	15	30	49	34	23	16	11	7	4