Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 31°C. We apply continuously 117°C heat to the field 4x7
What is the temperature (rounded to whole numbers) in the field 1x4 after 127 iterations according to the Gauss-Seidel iteration

Field in the beginning

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

Field after 4 iterations (rounded after 4th iteration)

4	7	9	10	10	11	10	9	7	4
7	12	15	17	18	18	18	16	12	6
9	15	19	22	23	24	23	21	16	8
10	17	22	25	26	27	27	24	18	9
10	18	23	28	32	33	31	27	20	10
11	18	26	38	49	45	38	31	22	11
10	20	34	60	94	70	49	35	23	11
10	21	42	89	208	98	57	36	22	11
8	17	32	58	91	65	43	28	17	8
4	9	17	27	37	31	22	15	9	4

Temperature in field 1x4 after 127 iterations:

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	9	10	10	11	10	9	7	4
7	12	15	17	18	18	18	16	12	6
9	15	19	22	23	24	23	21	16	8
10	17	22	25	26	27	27	24	18	9
10	18	23	28	32	33	31	27	20	10
11	18	26	38	49	45	38	31	22	11
10	20	34	60	94	70	49	35	23	11
10	21	42	89	208	98	57	36	22	11
8	17	32	58	91	65	43	28	17	8
4	9	17	27	37	31	22	15	9	4

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	9	10	10	11	10	9	7	4
7	12	15	17	18	18	18	16	12	6
9	15	19	22	23	24	23	21	16	8
10	17	22	25	26	27	27	24	18	9
10	18	23	28	32	33	31	27	20	10
11	18	26	38	49	45	38	31	22	11
10	20	34	60	94	70	49	35	23	11
10	21	42	89	208	98	57	36	22	11
8	17	32	58	91	65	43	28	17	8
4	9	17	27	37	31	22	15	9	4

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	9	10	10	11	10	9	7	4
7	12	15	17	18	18	18	16	12	6
9	15	19	22	23	24	23	21	16	8
10	17	22	25	26	27	27	24	18	9
10	18	23	28	32	33	31	27	20	10
11	18	26	38	49	45	38	31	22	11
10	20	34	60	94	70	49	35	23	11
10	21	42	89	208	98	57	36	22	11
8	17	32	58	91	65	43	28	17	8
4	9	17	27	37	31	22	15	9	4