Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 23°C. We apply continuously 117°C heat to the field 4x4
What is the temperature (rounded to whole numbers) in the field 4x9 after 148 iterations according to the Gauss-Seidel iteration

Field in the beginning

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

Field after 4 iterations (rounded after 4th iteration)

3	5	7	7	8	8	8	7	5	3
5	9	11	15	18	18	16	14	10	5
7	11	17	27	38	34	27	20	14	7
7	15	27	52	85	61	41	27	18	9
8	18	38	85	203	94	52	33	20	10
8	18	34	61	94	69	47	32	20	10
8	16	27	41	52	47	37	28	19	9
7	14	20	27	33	32	28	22	15	8
5	10	14	18	20	20	19	15	11	5
3	5	7	9	10	10	9	8	5	3

Temperature in field 4x9 after 148 iterations:

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

3	5	7	7	8	8	8	7	5	3
5	9	11	15	18	18	16	14	10	5
7	11	17	27	38	34	27	20	14	7
7	15	27	52	85	61	41	27	18	9
8	18	38	85	203	94	52	33	20	10
8	18	34	61	94	69	47	32	20	10
8	16	27	41	52	47	37	28	19	9
7	14	20	27	33	32	28	22	15	8
5	10	14	18	20	20	19	15	11	5
3	5	7	9	10	10	9	8	5	3

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

3	5	7	7	8	8	8	7	5	3
5	9	11	15	18	18	16	14	10	5
7	11	17	27	38	34	27	20	14	7
7	15	27	52	85	61	41	27	18	9
8	18	38	85	203	94	52	33	20	10
8	18	34	61	94	69	47	32	20	10
8	16	27	41	52	47	37	28	19	9
7	14	20	27	33	32	28	22	15	8
5	10	14	18	20	20	19	15	11	5
3	5	7	9	10	10	9	8	5	3

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23

3	5	7	7	8	8	8	7	5	3
5	9	11	15	18	18	16	14	10	5
7	11	17	27	38	34	27	20	14	7
7	15	27	52	85	61	41	27	18	9
8	18	38	85	203	94	52	33	20	10
8	18	34	61	94	69	47	32	20	10
8	16	27	41	52	47	37	28	19	9
7	14	20	27	33	32	28	22	15	8
5	10	14	18	20	20	19	15	11	5
3	5	7	9	10	10	9	8	5	3