C222133313331333131123313231333133313331313113313331322132311331   >>    C22213331333133313112331323133313331333131311331333132213231133   <<    C222133313331333131123313231333133313331313113313331322132311333   >>      C222133313331333131123313231333133313331313113313331322132311332   >>