C31321211111333132331211113313331333133313331333133313233213311331   >>    C3132121111133313233121111331333133313331333133313331323321331133   <<    C31321211111333132331211113313331333133313331333133313233213311333   >>      C31321211111333132331211113313331333133313331333133313233213311332   >>