Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 31°C. We apply continuously 146°C heat to the field 1x5
What is the temperature (rounded to whole numbers) in the field 1x4 after 58 iterations according to the Gauss-Seidel iteration

Field in the beginning

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

Field after 4 iterations (rounded after 4th iteration)

4	7	9	10	10	11	10	9	7	4
7	13	16	18	18	19	18	16	12	6
11	21	25	25	25	24	24	21	16	8
22	43	42	37	32	29	27	24	18	9
47	98	74	52	40	34	30	26	19	10
83	243	113	66	46	37	32	27	20	10
53	105	80	57	43	36	32	27	19	10
30	53	51	43	36	32	28	24	17	9
16	28	30	29	26	23	21	17	12	6
7	12	14	14	13	12	11	9	6	3

Temperature in field 1x4 after 58 iterations:

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	9	10	10	11	10	9	7	4
7	13	16	18	18	19	18	16	12	6
11	21	25	25	25	24	24	21	16	8
22	43	42	37	32	29	27	24	18	9
47	98	74	52	40	34	30	26	19	10
83	243	113	66	46	37	32	27	20	10
53	105	80	57	43	36	32	27	19	10
30	53	51	43	36	32	28	24	17	9
16	28	30	29	26	23	21	17	12	6
7	12	14	14	13	12	11	9	6	3

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	9	10	10	11	10	9	7	4
7	13	16	18	18	19	18	16	12	6
11	21	25	25	25	24	24	21	16	8
22	43	42	37	32	29	27	24	18	9
47	98	74	52	40	34	30	26	19	10
83	243	113	66	46	37	32	27	20	10
53	105	80	57	43	36	32	27	19	10
30	53	51	43	36	32	28	24	17	9
16	28	30	29	26	23	21	17	12	6
7	12	14	14	13	12	11	9	6	3

31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31
31	31	31	31	31	31	31	31	31	31

4	7	9	10	10	11	10	9	7	4
7	13	16	18	18	19	18	16	12	6
11	21	25	25	25	24	24	21	16	8
22	43	42	37	32	29	27	24	18	9
47	98	74	52	40	34	30	26	19	10
83	243	113	66	46	37	32	27	20	10
53	105	80	57	43	36	32	27	19	10
30	53	51	43	36	32	28	24	17	9
16	28	30	29	26	23	21	17	12	6
7	12	14	14	13	12	11	9	6	3