Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 21°C. We apply continuously 190°C heat to the field 2x2
What is the temperature (rounded to whole numbers) in the field 1x5 after 54 iterations according to the Gauss-Seidel iteration

Field in the beginning

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

Field after 4 iterations (rounded after 4th iteration)

7	22	38	31	21	14	10	8	5	3
22	63	117	78	46	28	19	14	9	5
38	117	310	133	67	38	26	18	12	6
31	78	133	93	59	39	28	20	14	7
21	46	67	59	45	34	27	21	15	7
14	28	38	39	34	29	25	20	15	7
10	19	26	28	27	25	22	19	14	7
8	14	18	20	21	20	19	16	12	6
5	9	12	14	15	15	14	12	8	4
3	5	6	7	7	7	7	6	4	2

Temperature in field 1x5 after 54 iterations:

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

7	22	38	31	21	14	10	8	5	3
22	63	117	78	46	28	19	14	9	5
38	117	310	133	67	38	26	18	12	6
31	78	133	93	59	39	28	20	14	7
21	46	67	59	45	34	27	21	15	7
14	28	38	39	34	29	25	20	15	7
10	19	26	28	27	25	22	19	14	7
8	14	18	20	21	20	19	16	12	6
5	9	12	14	15	15	14	12	8	4
3	5	6	7	7	7	7	6	4	2

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

7	22	38	31	21	14	10	8	5	3
22	63	117	78	46	28	19	14	9	5
38	117	310	133	67	38	26	18	12	6
31	78	133	93	59	39	28	20	14	7
21	46	67	59	45	34	27	21	15	7
14	28	38	39	34	29	25	20	15	7
10	19	26	28	27	25	22	19	14	7
8	14	18	20	21	20	19	16	12	6
5	9	12	14	15	15	14	12	8	4
3	5	6	7	7	7	7	6	4	2

21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21
21	21	21	21	21	21	21	21	21	21

7	22	38	31	21	14	10	8	5	3
22	63	117	78	46	28	19	14	9	5
38	117	310	133	67	38	26	18	12	6
31	78	133	93	59	39	28	20	14	7
21	46	67	59	45	34	27	21	15	7
14	28	38	39	34	29	25	20	15	7
10	19	26	28	27	25	22	19	14	7
8	14	18	20	21	20	19	16	12	6
5	9	12	14	15	15	14	12	8	4
3	5	6	7	7	7	7	6	4	2