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 73°C heat to the field 4x5
What is the temperature (rounded to whole numbers) in the field 3x6 after 149 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	10	13	13	11	10	7	4
4	7	11	17	24	21	17	13	9	4
4	9	17	32	53	38	25	17	11	5
5	11	23	52	126	58	32	20	12	6
5	10	20	37	57	41	28	18	12	6
4	9	15	23	30	27	21	15	10	5
3	6	10	14	17	16	14	10	7	3
2	3	5	6	8	8	7	5	3	2

Temperature in field 3x6 after 149 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	10	13	13	11	10	7	4
4	7	11	17	24	21	17	13	9	4
4	9	17	32	53	38	25	17	11	5
5	11	23	52	126	58	32	20	12	6
5	10	20	37	57	41	28	18	12	6
4	9	15	23	30	27	21	15	10	5
3	6	10	14	17	16	14	10	7	3
2	3	5	6	8	8	7	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	4	4	4	4	4	3	2
3	5	6	7	8	8	8	7	5	3
4	6	8	10	13	13	11	10	7	4
4	7	11	17	24	21	17	13	9	4
4	9	17	32	53	38	25	17	11	5
5	11	23	52	126	58	32	20	12	6
5	10	20	37	57	41	28	18	12	6
4	9	15	23	30	27	21	15	10	5
3	6	10	14	17	16	14	10	7	3
2	3	5	6	8	8	7	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	4	4	4	4	4	3	2
3	5	6	7	8	8	8	7	5	3
4	6	8	10	13	13	11	10	7	4
4	7	11	17	24	21	17	13	9	4
4	9	17	32	53	38	25	17	11	5
5	11	23	52	126	58	32	20	12	6
5	10	20	37	57	41	28	18	12	6
4	9	15	23	30	27	21	15	10	5
3	6	10	14	17	16	14	10	7	3
2	3	5	6	8	8	7	5	3	2