**a**,

**b**,

**c**) satisfying the equation given below where each of the small letters in bold represents a base-11 digit from 0 to A (whether same or different) and

**a**is nonzero.(No computer programs.)

**a**!+

**b**!+

**c**!=

**abc**–

**a**

__Note__:

**abc**represents the concatenation of the three digits.