C222133313331333131123313231333133313331313113313331333132233121221   >>    C22213331333133313112331323133313331333131311331333133313223312122   <<    C222133313331333131123313231333133313331313113313331333132233121223   >>      C222133313331333131123313231333133313331313113313331333132233121222   >>