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 157°C heat to the field 4x0
What is the temperature (rounded to whole numbers) in the field 8x7 after 91 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)

5	12	28	76	219	79	35	18	10	5
8	17	33	62	100	67	42	27	16	8
9	18	30	45	58	50	39	29	19	10
10	18	26	35	41	39	35	28	20	10
10	18	24	30	33	34	31	27	20	10
10	18	23	27	30	30	29	26	19	10
10	17	22	25	27	28	28	25	18	9
9	15	20	22	24	25	24	21	16	8
7	11	15	17	18	18	18	15	11	6
3	6	8	9	9	10	9	8	6	3

Temperature in field 8x7 after 91 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

5	12	28	76	219	79	35	18	10	5
8	17	33	62	100	67	42	27	16	8
9	18	30	45	58	50	39	29	19	10
10	18	26	35	41	39	35	28	20	10
10	18	24	30	33	34	31	27	20	10
10	18	23	27	30	30	29	26	19	10
10	17	22	25	27	28	28	25	18	9
9	15	20	22	24	25	24	21	16	8
7	11	15	17	18	18	18	15	11	6
3	6	8	9	9	10	9	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

5	12	28	76	219	79	35	18	10	5
8	17	33	62	100	67	42	27	16	8
9	18	30	45	58	50	39	29	19	10
10	18	26	35	41	39	35	28	20	10
10	18	24	30	33	34	31	27	20	10
10	18	23	27	30	30	29	26	19	10
10	17	22	25	27	28	28	25	18	9
9	15	20	22	24	25	24	21	16	8
7	11	15	17	18	18	18	15	11	6
3	6	8	9	9	10	9	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

5	12	28	76	219	79	35	18	10	5
8	17	33	62	100	67	42	27	16	8
9	18	30	45	58	50	39	29	19	10
10	18	26	35	41	39	35	28	20	10
10	18	24	30	33	34	31	27	20	10
10	18	23	27	30	30	29	26	19	10
10	17	22	25	27	28	28	25	18	9
9	15	20	22	24	25	24	21	16	8
7	11	15	17	18	18	18	15	11	6
3	6	8	9	9	10	9	8	6	3