Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 6°C. We apply continuously 90°C heat to the field 1x3
What is the temperature (rounded to whole numbers) in the field 9x2 after 117 iterations according to the Gauss-Seidel iteration

Field in the beginning

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6

Field after 4 iterations (rounded after 4th iteration)

2	5	5	4	3	3	2	2	1	1
9	18	15	11	7	5	4	3	2	1
25	52	35	20	12	8	6	5	3	2
47	142	60	29	16	10	7	5	4	2
28	57	40	24	15	10	8	6	4	2
15	26	23	17	12	9	7	6	4	2
8	13	14	12	10	8	7	6	4	2
4	7	8	8	7	6	6	5	3	2
2	4	5	5	5	5	4	3	2	1
1	2	2	3	2	2	2	2	1	1

Temperature in field 9x2 after 117 iterations:

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6

2	5	5	4	3	3	2	2	1	1
9	18	15	11	7	5	4	3	2	1
25	52	35	20	12	8	6	5	3	2
47	142	60	29	16	10	7	5	4	2
28	57	40	24	15	10	8	6	4	2
15	26	23	17	12	9	7	6	4	2
8	13	14	12	10	8	7	6	4	2
4	7	8	8	7	6	6	5	3	2
2	4	5	5	5	5	4	3	2	1
1	2	2	3	2	2	2	2	1	1

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6

2	5	5	4	3	3	2	2	1	1
9	18	15	11	7	5	4	3	2	1
25	52	35	20	12	8	6	5	3	2
47	142	60	29	16	10	7	5	4	2
28	57	40	24	15	10	8	6	4	2
15	26	23	17	12	9	7	6	4	2
8	13	14	12	10	8	7	6	4	2
4	7	8	8	7	6	6	5	3	2
2	4	5	5	5	5	4	3	2	1
1	2	2	3	2	2	2	2	1	1

6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6
6	6	6	6	6	6	6	6	6	6

2	5	5	4	3	3	2	2	1	1
9	18	15	11	7	5	4	3	2	1
25	52	35	20	12	8	6	5	3	2
47	142	60	29	16	10	7	5	4	2
28	57	40	24	15	10	8	6	4	2
15	26	23	17	12	9	7	6	4	2
8	13	14	12	10	8	7	6	4	2
4	7	8	8	7	6	6	5	3	2
2	4	5	5	5	5	4	3	2	1
1	2	2	3	2	2	2	2	1	1