C31321211111333132331211113313331333133313331333132233133313231121   >>    C3132121111133313233121111331333133313331333133313223313331323112   <<    C31321211111333132331211113313331333133313331333132233133313231123   >>      C31321211111333132331211113313331333133313331333132233133313231122   >>