C31321211111333132331211113313331333133313331333133313233212231   >>    C3132121111133313233121111331333133313331333133313331323321223   <<    C31321211111333132331211113313331333133313331333133313233212233   >>      C31321211111333132331211113313331333133313331333133313233212232   >>