C31321211111333132331211113313331333133313331333133313331333133311211211231   >>    C3132121111133313233121111331333133313331333133313331333133313331121121123   <<    C31321211111333132331211113313331333133313331333133313331333133311211211233   >>      C31321211111333132331211113313331333133313331333133313331333133311211211232   >>