Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 14°C. We apply continuously 171°C heat to the field 5x5
What is the temperature (rounded to whole numbers) in the field 4x7 after 148 iterations according to the Gauss-Seidel iteration

Field in the beginning

14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14

Field after 4 iterations (rounded after 4th iteration)

2	3	4	4	5	5	5	4	3	2
3	6	7	8	8	9	9	8	6	3
4	7	9	10	13	17	17	14	9	5
4	8	10	15	28	43	36	25	15	7
5	8	13	28	62	109	73	42	23	10
5	9	17	43	109	280	120	58	29	13
5	9	17	36	73	120	81	48	27	12
4	8	14	25	42	58	48	34	21	10
3	6	9	15	23	29	27	21	13	7
2	3	5	7	10	13	12	10	7	3

Temperature in field 4x7 after 148 iterations:

14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14

2	3	4	4	5	5	5	4	3	2
3	6	7	8	8	9	9	8	6	3
4	7	9	10	13	17	17	14	9	5
4	8	10	15	28	43	36	25	15	7
5	8	13	28	62	109	73	42	23	10
5	9	17	43	109	280	120	58	29	13
5	9	17	36	73	120	81	48	27	12
4	8	14	25	42	58	48	34	21	10
3	6	9	15	23	29	27	21	13	7
2	3	5	7	10	13	12	10	7	3

14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14

2	3	4	4	5	5	5	4	3	2
3	6	7	8	8	9	9	8	6	3
4	7	9	10	13	17	17	14	9	5
4	8	10	15	28	43	36	25	15	7
5	8	13	28	62	109	73	42	23	10
5	9	17	43	109	280	120	58	29	13
5	9	17	36	73	120	81	48	27	12
4	8	14	25	42	58	48	34	21	10
3	6	9	15	23	29	27	21	13	7
2	3	5	7	10	13	12	10	7	3

14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14
14	14	14	14	14	14	14	14	14	14

2	3	4	4	5	5	5	4	3	2
3	6	7	8	8	9	9	8	6	3
4	7	9	10	13	17	17	14	9	5
4	8	10	15	28	43	36	25	15	7
5	8	13	28	62	109	73	42	23	10
5	9	17	43	109	280	120	58	29	13
5	9	17	36	73	120	81	48	27	12
4	8	14	25	42	58	48	34	21	10
3	6	9	15	23	29	27	21	13	7
2	3	5	7	10	13	12	10	7	3