9*9+7=88
98*9+6=888
987*9+5=8888
9876*9+4=88888
98765*9+3=888888
987654*9+2=8888888
9876543*9+1=88888888
98765432*9+0=888888888

1*1=1
11*11=121
111*111=12321
1111*1111=1234321
11111*11111=123454321
111111*111111=12345654321
1111111*1111111=1234567654321
11111111*11111111=123456787654321
111111111*111111111=12345678987654321