Ignoring some numbers when sorting

I have folders with story arcs with the file naming format (zero hour story arc)

005-Valor 023 (1994)

007-Guy Gardner Warrior 024 (1994)

032-Action Comics 703 (1994)

the first number is the reading order (this is a feature of Mylar)

however ubooquity is ignoring the first set of numbers and is sorting alphabetically and then by the issue number. So it display like this 

032-Action Comics 703 (1994)

007-Guy Gardner Warrior 024 (1994)

005-Valor 023 (1994)

Any ideas on what to do?