Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 19°C. We apply continuously 115°C heat to the field 1x2
What is the temperature (rounded to whole numbers) in the field 0x9 after 84 iterations according to the Gauss-Seidel iteration

Field in the beginning

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

Field after 4 iterations (rounded after 4th iteration)

12	23	20	14	10	8	7	6	4	2
34	70	49	31	20	15	13	11	8	4
62	186	82	44	28	20	17	14	10	5
39	79	58	40	28	22	19	16	11	6
22	40	38	31	26	22	19	16	12	6
14	24	26	25	23	21	19	17	12	6
9	16	20	21	20	19	18	16	12	6
7	12	15	17	17	17	16	14	10	5
5	8	11	12	12	12	12	10	7	4
2	4	5	6	6	6	6	5	4	2

Temperature in field 0x9 after 84 iterations:

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

12	23	20	14	10	8	7	6	4	2
34	70	49	31	20	15	13	11	8	4
62	186	82	44	28	20	17	14	10	5
39	79	58	40	28	22	19	16	11	6
22	40	38	31	26	22	19	16	12	6
14	24	26	25	23	21	19	17	12	6
9	16	20	21	20	19	18	16	12	6
7	12	15	17	17	17	16	14	10	5
5	8	11	12	12	12	12	10	7	4
2	4	5	6	6	6	6	5	4	2

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

12	23	20	14	10	8	7	6	4	2
34	70	49	31	20	15	13	11	8	4
62	186	82	44	28	20	17	14	10	5
39	79	58	40	28	22	19	16	11	6
22	40	38	31	26	22	19	16	12	6
14	24	26	25	23	21	19	17	12	6
9	16	20	21	20	19	18	16	12	6
7	12	15	17	17	17	16	14	10	5
5	8	11	12	12	12	12	10	7	4
2	4	5	6	6	6	6	5	4	2

19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19
19	19	19	19	19	19	19	19	19	19

12	23	20	14	10	8	7	6	4	2
34	70	49	31	20	15	13	11	8	4
62	186	82	44	28	20	17	14	10	5
39	79	58	40	28	22	19	16	11	6
22	40	38	31	26	22	19	16	12	6
14	24	26	25	23	21	19	17	12	6
9	16	20	21	20	19	18	16	12	6
7	12	15	17	17	17	16	14	10	5
5	8	11	12	12	12	12	10	7	4
2	4	5	6	6	6	6	5	4	2