C31321211111333132331211113313331333133313331333133313311211113313231322233121   >>    C3132121111133313233121111331333133313331333133313331331121111331323132223312   <<    C31321211111333132331211113313331333133313331333133313311211113313231322233123   >>      C31321211111333132331211113313331333133313331333133313311211113313231322233122   >>