Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 22°C. We apply continuously 88°C heat to the field 1x2
What is the temperature (rounded to whole numbers) in the field 0x3 after 77 iterations according to the Gauss-Seidel iteration

Field in the beginning

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

Field after 4 iterations (rounded after 4th iteration)

10	20	17	13	10	9	8	7	5	3
27	57	41	28	20	16	14	12	9	5
50	146	68	39	27	21	18	16	11	6
33	65	50	36	28	23	21	18	13	7
20	35	35	30	26	24	21	19	14	7
13	22	26	26	24	23	22	19	14	7
10	17	21	22	22	22	21	18	14	7
8	13	17	18	19	19	18	16	12	6
5	9	12	13	14	14	14	12	8	4
3	5	6	7	7	7	7	6	4	2

Temperature in field 0x3 after 77 iterations:

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

10	20	17	13	10	9	8	7	5	3
27	57	41	28	20	16	14	12	9	5
50	146	68	39	27	21	18	16	11	6
33	65	50	36	28	23	21	18	13	7
20	35	35	30	26	24	21	19	14	7
13	22	26	26	24	23	22	19	14	7
10	17	21	22	22	22	21	18	14	7
8	13	17	18	19	19	18	16	12	6
5	9	12	13	14	14	14	12	8	4
3	5	6	7	7	7	7	6	4	2

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

10	20	17	13	10	9	8	7	5	3
27	57	41	28	20	16	14	12	9	5
50	146	68	39	27	21	18	16	11	6
33	65	50	36	28	23	21	18	13	7
20	35	35	30	26	24	21	19	14	7
13	22	26	26	24	23	22	19	14	7
10	17	21	22	22	22	21	18	14	7
8	13	17	18	19	19	18	16	12	6
5	9	12	13	14	14	14	12	8	4
3	5	6	7	7	7	7	6	4	2

22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22
22	22	22	22	22	22	22	22	22	22

10	20	17	13	10	9	8	7	5	3
27	57	41	28	20	16	14	12	9	5
50	146	68	39	27	21	18	16	11	6
33	65	50	36	28	23	21	18	13	7
20	35	35	30	26	24	21	19	14	7
13	22	26	26	24	23	22	19	14	7
10	17	21	22	22	22	21	18	14	7
8	13	17	18	19	19	18	16	12	6
5	9	12	13	14	14	14	12	8	4
3	5	6	7	7	7	7	6	4	2