C222133313331333131123313231333133313331333133313331333133313113313232212323311   >>    C22213331333133313112331323133313331333133313331333133313331311331323221232331   <<    C222133313331333131123313231333133313331333133313331333133313113313232212323313   >>      C222133313331333131123313231333133313331333133313331333133313113313232212323312   >>