C31321211111333132331211113313331333133313331333133313331333133313311213123111   >>    C3132121111133313233121111331333133313331333133313331333133313331331121312311   <<    C31321211111333132331211113313331333133313331333133313331333133313311213123113   >>      C31321211111333132331211113313331333133313331333133313331333133313311213123112   >>