c?6,c%4,b%5,a?2
c?6,c%4,b%5,a?1
c?6,b%5,a%3,a?2
c?6,b%5,a%3,a?1
c?6,b%5,b?3,a?2
c?6,b%5,b?3,a?1
c?6,b%5,a?2,a?1
c?6,b%5,b?2,a?1
c?6,b%5,d%2,a?1