Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 29°C. We apply continuously 165°C heat to the field 4x2
What is the temperature (rounded to whole numbers) in the field 7x9 after 80 iterations according to the Gauss-Seidel iteration

Field in the beginning

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

Field after 4 iterations (rounded after 4th iteration)

4	7	12	24	37	31	22	15	9	4
7	14	30	64	109	74	46	29	17	8
9	21	48	113	279	125	66	39	23	11
10	22	44	81	127	91	60	40	25	12
10	21	35	54	70	62	49	36	24	12
10	19	29	39	46	45	40	32	23	12
10	18	25	31	35	35	33	28	20	10
9	16	21	25	27	28	27	23	17	9
7	12	15	18	19	20	19	16	12	6
3	6	8	9	10	10	10	8	6	3

Temperature in field 7x9 after 80 iterations:

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

4	7	12	24	37	31	22	15	9	4
7	14	30	64	109	74	46	29	17	8
9	21	48	113	279	125	66	39	23	11
10	22	44	81	127	91	60	40	25	12
10	21	35	54	70	62	49	36	24	12
10	19	29	39	46	45	40	32	23	12
10	18	25	31	35	35	33	28	20	10
9	16	21	25	27	28	27	23	17	9
7	12	15	18	19	20	19	16	12	6
3	6	8	9	10	10	10	8	6	3

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

4	7	12	24	37	31	22	15	9	4
7	14	30	64	109	74	46	29	17	8
9	21	48	113	279	125	66	39	23	11
10	22	44	81	127	91	60	40	25	12
10	21	35	54	70	62	49	36	24	12
10	19	29	39	46	45	40	32	23	12
10	18	25	31	35	35	33	28	20	10
9	16	21	25	27	28	27	23	17	9
7	12	15	18	19	20	19	16	12	6
3	6	8	9	10	10	10	8	6	3

29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29
29	29	29	29	29	29	29	29	29	29

4	7	12	24	37	31	22	15	9	4
7	14	30	64	109	74	46	29	17	8
9	21	48	113	279	125	66	39	23	11
10	22	44	81	127	91	60	40	25	12
10	21	35	54	70	62	49	36	24	12
10	19	29	39	46	45	40	32	23	12
10	18	25	31	35	35	33	28	20	10
9	16	21	25	27	28	27	23	17	9
7	12	15	18	19	20	19	16	12	6
3	6	8	9	10	10	10	8	6	3