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 116°C heat to the field 3x6
What is the temperature (rounded to whole numbers) in the field 2x6 after 99 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	24	24	23	21	16	8
10	17	24	29	30	29	28	24	18	9
10	21	34	47	44	38	33	27	20	10
12	29	57	92	69	50	38	30	21	11
15	39	88	207	100	60	42	31	21	11
14	32	62	96	72	51	38	28	19	9
10	22	36	49	44	35	28	21	14	7
5	11	17	21	21	18	14	11	7	4

Temperature in field 2x6 after 99 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	24	24	23	21	16	8
10	17	24	29	30	29	28	24	18	9
10	21	34	47	44	38	33	27	20	10
12	29	57	92	69	50	38	30	21	11
15	39	88	207	100	60	42	31	21	11
14	32	62	96	72	51	38	28	19	9
10	22	36	49	44	35	28	21	14	7
5	11	17	21	21	18	14	11	7	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	24	24	23	21	16	8
10	17	24	29	30	29	28	24	18	9
10	21	34	47	44	38	33	27	20	10
12	29	57	92	69	50	38	30	21	11
15	39	88	207	100	60	42	31	21	11
14	32	62	96	72	51	38	28	19	9
10	22	36	49	44	35	28	21	14	7
5	11	17	21	21	18	14	11	7	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	24	24	23	21	16	8
10	17	24	29	30	29	28	24	18	9
10	21	34	47	44	38	33	27	20	10
12	29	57	92	69	50	38	30	21	11
15	39	88	207	100	60	42	31	21	11
14	32	62	96	72	51	38	28	19	9
10	22	36	49	44	35	28	21	14	7
5	11	17	21	21	18	14	11	7	4