private static boolean isFound ( int n , int fibMod ) {
  if ( ! isPandigital ( Integer . toString ( fibMod ) ) ) return false ;
  BigInteger fib = fibonacci ( n ) [ 0 ] ;
  if ( fib . mod ( BigInteger . valueOf ( 1000000000 ) ) . intValue ( ) != fibMod ) throw new AssertionError ( ) ;
  return isPandigital ( leading9Digits ( fib ) ) ;
}

private static boolean isFound ( int n , int fibMod ) { if ( ! isPandigital ( Integer . toString ( fibMod ) ) ) return false ; BigInteger fib = fibonacci ( n ) [ 0 ] ; if ( fib . mod ( BigInteger . valueOf ( 1000000000 ) ) . intValue ( ) != fibMod ) throw new AssertionError ( ) ; return isPandigital ( leading9Digits ( fib ) ) ; }
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