C222133313331333131123313231333133313331333132311233132323233121   >>    C22213331333133313112331323133313331333133313231123313232323312   <<    C222133313331333131123313231333133313331333132311233132323233123   >>      C222133313331333131123313231333133313331333132311233132323233122   >>