C222133313331333131123313231333133313331333132331211113311222123311   >>    C22213331333133313112331323133313331333133313233121111331122212331   <<    C222133313331333131123313231333133313331333132331211113311222123313   >>      C222133313331333131123313231333133313331333132331211113311222123312   >>