C31321211111333132331211113313331333133313331333133313331333133311233211231   >>    C3132121111133313233121111331333133313331333133313331333133313331123321123   <<    C31321211111333132331211113313331333133313331333133313331333133311233211233   >>      C31321211111333132331211113313331333133313331333133313331333133311233211232   >>