C222133313331333131123313231333133313331333132331211113311223132211   >>    C22213331333133313112331323133313331333133313233121111331122313221   <<    C222133313331333131123313231333133313331333132331211113311223132213   >>      C222133313331333131123313231333133313331333132331211113311223132212   >>