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 68°C heat to the field 2x7
What is the temperature (rounded to whole numbers) in the field 4x6 after 60 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	4	4	4	4	4	3	2
3	5	6	7	8	8	8	7	5	3
4	6	8	9	10	10	10	9	7	3
4	7	9	11	11	11	11	10	7	4
4	9	12	13	13	13	12	11	8	4
6	14	22	21	17	15	13	11	8	4
11	27	48	35	24	18	14	12	8	4
15	45	115	52	29	19	14	11	7	4
11	28	48	34	22	15	11	8	6	3
6	13	19	16	12	8	6	4	3	1

Temperature in field 4x6 after 60 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	4	4	4	4	4	3	2
3	5	6	7	8	8	8	7	5	3
4	6	8	9	10	10	10	9	7	3
4	7	9	11	11	11	11	10	7	4
4	9	12	13	13	13	12	11	8	4
6	14	22	21	17	15	13	11	8	4
11	27	48	35	24	18	14	12	8	4
15	45	115	52	29	19	14	11	7	4
11	28	48	34	22	15	11	8	6	3
6	13	19	16	12	8	6	4	3	1

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	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	4	4	4	4	4	3	2
3	5	6	7	8	8	8	7	5	3
4	6	8	9	10	10	10	9	7	3
4	7	9	11	11	11	11	10	7	4
4	9	12	13	13	13	12	11	8	4
6	14	22	21	17	15	13	11	8	4
11	27	48	35	24	18	14	12	8	4
15	45	115	52	29	19	14	11	7	4
11	28	48	34	22	15	11	8	6	3
6	13	19	16	12	8	6	4	3	1

13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	13	13	13	13
13	13	13	13	13	13	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	4	4	4	4	4	3	2
3	5	6	7	8	8	8	7	5	3
4	6	8	9	10	10	10	9	7	3
4	7	9	11	11	11	11	10	7	4
4	9	12	13	13	13	12	11	8	4
6	14	22	21	17	15	13	11	8	4
11	27	48	35	24	18	14	12	8	4
15	45	115	52	29	19	14	11	7	4
11	28	48	34	22	15	11	8	6	3
6	13	19	16	12	8	6	4	3	1