square of  11 , 111 , 1111 etc.... can  find with other simple method.

ie,   112 = 121

    1112 = 12321 

  11112 = 1234321.................

same with case of 3 almost....
i.e.
  3 =                   9

  33 =  1089  (This 1 n 8 is just (n-1) in number where n=number of 3 to be squared)

  333 =  110889

  3333  =  11108889


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