20 10 ÷16 =125 Remaining10, which is the third row and the third column.

For example, after F operation, 2143 = 4321-kloc-0/234 = 3087f operation = 8730-0378 = 8352 F operation =

F after operation, 8532-2358 = 6174 = 7641-1467 = 6174.

There will be a cycle when you get 6 174.

So this fixed value is 6 174.