Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 22°C. We apply continuously 175°C heat to the field 3x7
What is the temperature (rounded to whole numbers) in the field 2x1 after 68 iterations according to the Gauss-Seidel iteration

Field in the beginning

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

Field after 4 iterations (rounded after 4th iteration)

3	5	6	7	7	7	7	7	5	3
5	9	11	12	13	13	13	11	9	4
6	11	14	15	16	17	16	15	11	6
7	12	15	18	19	20	19	17	13	7
7	13	19	25	26	24	22	19	14	7
7	17	33	50	45	35	28	22	15	8
10	30	67	117	81	52	35	25	16	8
13	43	113	290	127	65	39	25	15	7
11	33	72	120	82	50	31	20	12	6
6	17	33	47	38	26	17	11	7	3

Temperature in field 2x1 after 68 iterations:

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

3	5	6	7	7	7	7	7	5	3
5	9	11	12	13	13	13	11	9	4
6	11	14	15	16	17	16	15	11	6
7	12	15	18	19	20	19	17	13	7
7	13	19	25	26	24	22	19	14	7
7	17	33	50	45	35	28	22	15	8
10	30	67	117	81	52	35	25	16	8
13	43	113	290	127	65	39	25	15	7
11	33	72	120	82	50	31	20	12	6
6	17	33	47	38	26	17	11	7	3

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

3	5	6	7	7	7	7	7	5	3
5	9	11	12	13	13	13	11	9	4
6	11	14	15	16	17	16	15	11	6
7	12	15	18	19	20	19	17	13	7
7	13	19	25	26	24	22	19	14	7
7	17	33	50	45	35	28	22	15	8
10	30	67	117	81	52	35	25	16	8
13	43	113	290	127	65	39	25	15	7
11	33	72	120	82	50	31	20	12	6
6	17	33	47	38	26	17	11	7	3

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

3	5	6	7	7	7	7	7	5	3
5	9	11	12	13	13	13	11	9	4
6	11	14	15	16	17	16	15	11	6
7	12	15	18	19	20	19	17	13	7
7	13	19	25	26	24	22	19	14	7
7	17	33	50	45	35	28	22	15	8
10	30	67	117	81	52	35	25	16	8
13	43	113	290	127	65	39	25	15	7
11	33	72	120	82	50	31	20	12	6
6	17	33	47	38	26	17	11	7	3