Level 29

You see a room which is 10x10m wide (0x0 to 9x9).
Every square has the exact temperature of 14°C. We apply continuously 158°C heat to the field 7x2
What is the temperature (rounded to whole numbers) in the field 9x1 after 55 iterations according to the Gauss-Seidel iteration

Field in the beginning

14141414141414141414
14141414141414141414
14141414141414141414
14141414141414141414
14141414141414141414
14141414141414141414
14141414141414141414
14141414141414141414
14141414141414141414
14141414141414141414

Field after 4 iterations (rounded after 4th iteration)

23445819312312
3678112354966027
4791017399925610440
4810121834671097032
581012162641544122
581112152026302514
58101214161920169
4791112131414116
36789910974
2344555432

Temperature in field 9x1 after 55 iterations: