1218 hooray for that video that showed how to sums of 3 of the same character without adding any numbers all the way from 3 ones' to 3 nines.
To make it clear when dealing with lets say, 3 ones this is allowed
1^1^1
but
1^2^1^1
is not, as you put in a new number
the solution to the 1's is
(1+1+1)!