Kirjava
Colourful
Having checked all possibilities, and not finding his solution, could mean that there is a strong possiblity that the scramble Martin solved was not the same as the official scramble for that attempt in the average. But that claim should not be made until every possible case for the reconstruction has been examined fully.
Of course a solution exists of this form. The bit we need to know is what is the minimum number of moves required for it.