C222133313331333131123313231333133313331333133313331211113313331311213311   >>    C22213331333133313112331323133313331333133313331333121111331333131121331   <<    C222133313331333131123313231333133313331333133313331211113313331311213313   >>      C222133313331333131123313231333133313331333133313331211113313331311213312   >>