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 99°C heat to the field 8x1
What is the temperature (rounded to whole numbers) in the field 5x7 after 112 iterations according to the Gauss-Seidel iteration

Field in the beginning

22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222
22222222222222222222

Field after 4 iterations (rounded after 4th iteration)

35677916325327
5911121317306515955
6111415172030496936
7121517192127343722
7131618202124262414
7131719202122221810
713161920212119158
711151718181816126
5911131314131294
3467777642

Temperature in field 5x7 after 112 iterations: