в каком столбце есть 8

9999999999999999
9999999999999999
9999999999999999
99999999999999
99999999999999

9999999999999
999999999999
999999999999999999
99999999999999
999999999999999

99999999999999999
999999999999999999
9999999999999999
9999999999999999
99999999999999

9999999999
999999999
99999999999999
9999998999999999
999999999999999