Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 13°C. We apply continuously 174°C heat to the field 4x3
What is the temperature (rounded to whole numbers) in the field 3x4 after 85 iterations according to the Gauss-Seidel iteration

Field in the beginning

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

Field after 4 iterations (rounded after 4th iteration)

2	3	4	7	11	11	8	6	4	2
3	5	11	24	39	32	22	14	8	4
4	9	25	60	108	71	41	24	13	6
5	14	40	108	283	120	58	31	17	7
5	14	34	72	120	82	49	29	17	8
5	12	24	43	59	50	36	24	15	7
5	10	17	26	33	31	25	19	13	6
4	8	12	17	20	20	18	14	10	5
3	6	8	10	12	12	11	9	7	3
2	3	4	5	6	6	6	5	3	2

Temperature in field 3x4 after 85 iterations:

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

2	3	4	7	11	11	8	6	4	2
3	5	11	24	39	32	22	14	8	4
4	9	25	60	108	71	41	24	13	6
5	14	40	108	283	120	58	31	17	7
5	14	34	72	120	82	49	29	17	8
5	12	24	43	59	50	36	24	15	7
5	10	17	26	33	31	25	19	13	6
4	8	12	17	20	20	18	14	10	5
3	6	8	10	12	12	11	9	7	3
2	3	4	5	6	6	6	5	3	2

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

2	3	4	7	11	11	8	6	4	2
3	5	11	24	39	32	22	14	8	4
4	9	25	60	108	71	41	24	13	6
5	14	40	108	283	120	58	31	17	7
5	14	34	72	120	82	49	29	17	8
5	12	24	43	59	50	36	24	15	7
5	10	17	26	33	31	25	19	13	6
4	8	12	17	20	20	18	14	10	5
3	6	8	10	12	12	11	9	7	3
2	3	4	5	6	6	6	5	3	2

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13

2	3	4	7	11	11	8	6	4	2
3	5	11	24	39	32	22	14	8	4
4	9	25	60	108	71	41	24	13	6
5	14	40	108	283	120	58	31	17	7
5	14	34	72	120	82	49	29	17	8
5	12	24	43	59	50	36	24	15	7
5	10	17	26	33	31	25	19	13	6
4	8	12	17	20	20	18	14	10	5
3	6	8	10	12	12	11	9	7	3
2	3	4	5	6	6	6	5	3	2