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 90°C heat to the field 4x3
What is the temperature (rounded to whole numbers) in the field 6x9 after 41 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	9	11	11	10	8	6	3
5	9	14	21	30	26	21	16	11	5
7	13	23	42	68	49	33	23	15	7
8	16	32	69	160	76	44	28	18	9
8	17	30	51	77	57	40	28	19	9
8	16	25	36	45	41	34	26	18	9
8	15	21	27	31	31	28	23	16	8
7	13	17	21	23	24	22	19	14	7
5	9	12	15	16	17	16	13	10	5
3	5	6	7	8	8	8	7	5	2

Temperature in field 6x9 after 41 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	9	11	11	10	8	6	3
5	9	14	21	30	26	21	16	11	5
7	13	23	42	68	49	33	23	15	7
8	16	32	69	160	76	44	28	18	9
8	17	30	51	77	57	40	28	19	9
8	16	25	36	45	41	34	26	18	9
8	15	21	27	31	31	28	23	16	8
7	13	17	21	23	24	22	19	14	7
5	9	12	15	16	17	16	13	10	5
3	5	6	7	8	8	8	7	5	2

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	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	9	11	11	10	8	6	3
5	9	14	21	30	26	21	16	11	5
7	13	23	42	68	49	33	23	15	7
8	16	32	69	160	76	44	28	18	9
8	17	30	51	77	57	40	28	19	9
8	16	25	36	45	41	34	26	18	9
8	15	21	27	31	31	28	23	16	8
7	13	17	21	23	24	22	19	14	7
5	9	12	15	16	17	16	13	10	5
3	5	6	7	8	8	8	7	5	2

23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	23	23	23	23
23	23	23	23	23	23	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	9	11	11	10	8	6	3
5	9	14	21	30	26	21	16	11	5
7	13	23	42	68	49	33	23	15	7
8	16	32	69	160	76	44	28	18	9
8	17	30	51	77	57	40	28	19	9
8	16	25	36	45	41	34	26	18	9
8	15	21	27	31	31	28	23	16	8
7	13	17	21	23	24	22	19	14	7
5	9	12	15	16	17	16	13	10	5
3	5	6	7	8	8	8	7	5	2