Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 17°C. We apply continuously 146°C heat to the field 6x9
What is the temperature (rounded to whole numbers) in the field 2x3 after 88 iterations according to the Gauss-Seidel iteration

Field in the beginning

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

Field after 4 iterations (rounded after 4th iteration)

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	14	15	16	15	14	10	5
6	10	13	15	16	16	16	15	11	6
6	10	13	14	15	18	21	19	14	7
5	9	11	13	17	27	38	31	19	9
4	7	9	12	23	48	83	51	27	11
2	3	5	10	24	67	200	69	26	9

Temperature in field 2x3 after 88 iterations:

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	14	15	16	15	14	10	5
6	10	13	15	16	16	16	15	11	6
6	10	13	14	15	18	21	19	14	7
5	9	11	13	17	27	38	31	19	9
4	7	9	12	23	48	83	51	27	11
2	3	5	10	24	67	200	69	26	9

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	14	15	16	15	14	10	5
6	10	13	15	16	16	16	15	11	6
6	10	13	14	15	18	21	19	14	7
5	9	11	13	17	27	38	31	19	9
4	7	9	12	23	48	83	51	27	11
2	3	5	10	24	67	200	69	26	9

17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17
17	17	17	17	17	17	17	17	17	17

2	4	5	5	6	6	6	5	4	2
4	7	8	9	10	10	10	9	7	3
5	8	11	12	13	13	13	11	9	4
5	9	12	13	14	15	14	13	10	5
6	10	13	14	15	16	15	14	10	5
6	10	13	15	16	16	16	15	11	6
6	10	13	14	15	18	21	19	14	7
5	9	11	13	17	27	38	31	19	9
4	7	9	12	23	48	83	51	27	11
2	3	5	10	24	67	200	69	26	9